1check 
/ˈtʃɛk/ verb
checks; checked; check·ing /ˈtʃɛk/ verb 1 : to look at (something) carefully to find mistakes, problems, etc., or to make sure there is nothing wrong with it [+ obj] ▪ Make sure to check your spelling. ▪ She checked her makeup in the mirror. ▪ We should check the equipment to make sure that it's working properly. ▪ I checked the tires for wear. [=to see if they are worn down/out] ▪ The guards checked my passport. [no obj] — + for ▪ Be careful to check for any mistakes. ▪ The border guards checked in my luggage for contraband. — see also cross-check, double-check, spot-check 2 a : to get information by looking at something, asking about something, etc. [+ obj] ▪ He checked his watch and saw that it was almost noon. ▪ I'll just check the map to see where we are. ▪ I'll check the newspaper to see when the movie starts. [no obj] ▪ We were out of milk last time I checked. [=looked] ▪ “Do you have these shoes in a larger size?” “I don't know. Let me check.” [=take a look] ▪ I think the door is locked, but I'll have to check (to be sure). — often followed by to + verb ▪ Did you check to see where the movie was playing? ▪ I checked to make sure the door was locked.
b : to look at or in (a place) in order to find or get something or someone [+ obj] ▪ If you're looking for a spoon, check the top drawer. ▪ I checked his office but he wasn't there. [no obj] ▪ If you're looking for the umbrella, check in the closet.
c [+ obj] : to find out if you have any (mail, messages, etc.)
▪ Did you check the mail yet today? ▪ She checked [=listened to] her phone messages when she got home. ▪ He logged on and checked [=read] his e-mail. 3 : to talk with someone in order to get approval, information, etc., about something [no obj] ▪ I'll have to check with the manager before I can let you in. ▪ Check with your doctor to find out which drugs are safe. [+ obj] ▪ I'm not sure when you should arrive. I'll have to check that with my wife. 4 [+ obj] a : to slow or stop (something or someone) from doing something
▪ She started to speak but then checked [=stopped] herself. ▪ The batter checked his swing. [=the batter started to swing and then stopped]
b hockey : to stop or hit (an opponent) in order to steal the ball or puck, defend the goal, etc.
▪ He was checked by the defender. 5 [+ obj] US a : to leave (something you own) with a worker at a restaurant, hotel, etc., who keeps it in a special area or room (called a checkroom) while you are there
▪ I checked my hat and coat in the restaurant's checkroom.
b : to give (your bags, suitcases, etc.) to a worker so that they can be loaded onto a plane or train
▪ We checked our bags before boarding.
c : to take (someone's bags, suitcases, etc.) to load them onto a plane or train
▪ The airline checked our bags before we boarded. — see also check in 3 (below) 6 [+ obj] US : to mark (something) with a check (√) to show that it has been done, approved, etc.
▪ You should check [=(chiefly Brit) tick] each item on the list after you've completed it. — often + off ▪ You should check off [=(chiefly Brit) tick off] each item on the list after you've completed it. 7 [no obj] US, informal : to be proven to be true, accurate, etc. — usually used in negative statements ▪ Her story didn't check. [=the evidence did not support her story] — see also check out 2 (below)
b : to look at or in (a place) in order to find or get something or someone [+ obj] ▪ If you're looking for a spoon, check the top drawer. ▪ I checked his office but he wasn't there. [no obj] ▪ If you're looking for the umbrella, check in the closet.
c [+ obj] : to find out if you have any (mail, messages, etc.)
▪ Did you check the mail yet today? ▪ She checked [=listened to] her phone messages when she got home. ▪ He logged on and checked [=read] his e-mail.
▪ She started to speak but then checked [=stopped] herself. ▪ The batter checked his swing. [=the batter started to swing and then stopped]
b hockey : to stop or hit (an opponent) in order to steal the ball or puck, defend the goal, etc.
▪ He was checked by the defender.
▪ I checked my hat and coat in the restaurant's checkroom.
b : to give (your bags, suitcases, etc.) to a worker so that they can be loaded onto a plane or train
▪ We checked our bags before boarding.
c : to take (someone's bags, suitcases, etc.) to load them onto a plane or train
▪ The airline checked our bags before we boarded. — see also check in 3 (below)
▪ You should check [=(chiefly Brit) tick] each item on the list after you've completed it. — often + off ▪ You should check off [=(chiefly Brit) tick off] each item on the list after you've completed it.
check back
[phrasal verb] informal : to return to a place, person, etc., in order to try something again or to get additional information
▪ We are not hiring today, but check back next month. ▪ I'll check back with you [=talk to you again] in about a week.
▪ We are not hiring today, but check back next month. ▪ I'll check back with you [=talk to you again] in about a week.
check in [phrasal verb] 1 : to report to someone when you arrive at a place (such as an airport or convention) to let them know you are there
▪ Passengers must check in one hour before the flight leaves. ▪ Where do I have to check in? ; especially : to arrive at and be given a room in a hotel, motel, etc.
▪ check in [=register] at a hotel ▪ Guests cannot check in before 4:00 PM. — see also check-in 2 US, informal : to talk with someone in order to report or find out new information
▪ I'm just checking in to see how things are going. — usually + with ▪ I have to go to a meeting now, but I'll check in with you later. 3 check (something) in or check in (something) : to leave or take bags, suitcases, etc., so that they can be loaded onto a plane or train
▪ We checked our bags in at the station. ▪ The airline checked in our luggage.
▪ Passengers must check in one hour before the flight leaves. ▪ Where do I have to check in? ; especially : to arrive at and be given a room in a hotel, motel, etc.
▪ check in [=register] at a hotel ▪ Guests cannot check in before 4:00 PM. — see also check-in
▪ I'm just checking in to see how things are going. — usually + with ▪ I have to go to a meeting now, but I'll check in with you later.
▪ We checked our bags in at the station. ▪ The airline checked in our luggage.
check into [phrasal verb]
check into (something) 1 : to arrive at and be given a room in (a hotel, motel, etc.)
▪ We checked into a hotel. 2 : to look for information about (something) : to find out the truth about (something) by getting information
▪ The police are checking into [=checking on, checking up on] his activities. [=the police are investigating his activities] ▪ A problem like that should really be checked into carefully.
▪ We checked into a hotel.
▪ The police are checking into [=checking on, checking up on] his activities. [=the police are investigating his activities] ▪ A problem like that should really be checked into carefully.
check off on [phrasal verb]
check off on (something) US, informal : to give official approval for (something)
▪ My boss will have to check off on [=authorize, approve] my decision.
▪ My boss will have to check off on [=authorize, approve] my decision.
check on [phrasal verb]
check on (someone or something) 1 : to look at or examine (someone or something) to see if there are any problems
▪ The nurse checked on the patients regularly. 2 : to look for information about (someone or something) : to find out the truth about (someone or something) by getting information
▪ The police are checking on [=checking up on] him. ▪ I asked the waiter to check on [=find out what was happening with] my order.
▪ The nurse checked on the patients regularly.
▪ The police are checking on [=checking up on] him. ▪ I asked the waiter to check on [=find out what was happening with] my order.
check out [phrasal verb] 1 a : to leave and pay for your room at a hotel, motel, etc.
▪ We checked out (of the hotel) early. — see also checkout
b US, informal : to die
▪ There are still a lot of things I want to accomplish in life before I finally check out. 2 US, informal a : to be proven to be accurate, true, etc.
▪ I didn't believe her at first, but her story checked out. ▪ The description checked out when we compared it with the photograph. [=we saw that the description was accurate when we compared it with the photograph]
b check out (something) or check (something) out : to find out if (something) is true
▪ The police are still trying to check out [=investigate, confirm] his alibi. 3 check out (something or someone) or check (something or someone) out a : to look at (something or someone) in order to find problems, mistakes, etc.
▪ We carefully checked out the car for defects. ▪ He had problems with his computer and asked the technician to check it out. ▪ He needs to get checked out by a doctor.
b informal : to look at (someone or something that is attractive or interesting)
▪ When she walked into the room, all the guys were checking her out. ▪ Just check out his new car! ▪ We're going to the mall to check out that new clothing store. — often used in the phrase check it out to direct someone's attention to something ▪ Check it out—they've got that new book in stock. 4 check out (something) or check (something) out a : to borrow (something) from a library
▪ He checked out [=took out, borrowed] a book on farming.
b US : to add up the cost of the goods that someone buys in a store (such as a supermarket) and accept payment for them
▪ She got a job checking out groceries at the supermarket. ; also : to pay for the goods that you buy in a store
▪ There was a long line of people waiting to check out their groceries. ▪ She was able to check out quickly using her debit card. — see also checkout
▪ We checked out (of the hotel) early. — see also checkout
b US, informal : to die
▪ There are still a lot of things I want to accomplish in life before I finally check out.
▪ I didn't believe her at first, but her story checked out. ▪ The description checked out when we compared it with the photograph. [=we saw that the description was accurate when we compared it with the photograph]
b check out (something) or check (something) out : to find out if (something) is true
▪ The police are still trying to check out [=investigate, confirm] his alibi.
▪ We carefully checked out the car for defects. ▪ He had problems with his computer and asked the technician to check it out. ▪ He needs to get checked out by a doctor.
b informal : to look at (someone or something that is attractive or interesting)
▪ When she walked into the room, all the guys were checking her out. ▪ Just check out his new car! ▪ We're going to the mall to check out that new clothing store. — often used in the phrase check it out to direct someone's attention to something ▪ Check it out—they've got that new book in stock.
▪ He checked out [=took out, borrowed] a book on farming.
b US : to add up the cost of the goods that someone buys in a store (such as a supermarket) and accept payment for them
▪ She got a job checking out groceries at the supermarket. ; also : to pay for the goods that you buy in a store
▪ There was a long line of people waiting to check out their groceries. ▪ She was able to check out quickly using her debit card. — see also checkout
check over [phrasal verb]
check (something or someone) over or check over (something or someone) : to look at (something or someone) in a careful way to find problems, mistakes, etc.
▪ checking the new cars over ▪ The doctors checked him over for bruises. ▪ Be sure to check over each item on the list for any mistakes. ▪ She checked herself over [=she looked at herself carefully] in the mirror before going to the party.
▪ checking the new cars over ▪ The doctors checked him over for bruises. ▪ Be sure to check over each item on the list for any mistakes. ▪ She checked herself over [=she looked at herself carefully] in the mirror before going to the party.
check through [phrasal verb]
check through (something) : to look at the parts of (a group of things)
▪ I checked through all his letters but found nothing useful.
▪ I checked through all his letters but found nothing useful.
check up on [phrasal verb]
check up on (someone or something) : to find or look for information about (someone or something) often in order to find out the truth
▪ My parents are always checking up on me. ▪ The police are checking up on his alibi.
▪ My parents are always checking up on me. ▪ The police are checking up on his alibi.
— check·able adjective
▪ an easily checkable fact
▪ an easily checkable fact
