1laugh 
/ˈlæf, Brit ˈlɑ:f/ verb
laughs; laughed; laugh·ing /ˈlæf, Brit ˈlɑ:f/ verb 1 [no obj] : to show that you are happy or that you think something is funny by smiling and making a sound from your throat
▪ What are you laughing about? ▪ The audience was laughing hysterically. ▪ I've never laughed so hard in my life. ▪ I couldn't stop laughing when I saw what he was wearing. ▪ I laughed out loud when I saw him. ▪ I burst out laughing. [=I suddenly started laughing] ▪ He laughed so hard I thought he'd die laughing. ▪ The movie was hilarious. We laughed our heads off. ▪ I laughed until I cried. [=I laughed so much that tears came out of my eyes] ▪ (Brit) She was laughing like a drain. [=she was laughing very hard] ▪ I didn't know whether to laugh or cry [=I was surprised and shocked] when she told me she was getting married. ▪ It's no laughing matter when you lose your job. [=it's a serious and important thing that people should not joke about] — often + at ▪ She laughed at the joke. ▪ Why is everyone laughing at me? 2 [no obj] a : to think or say that someone or something is foolish and does not deserve serious attention or respect — usually + at ▪ People laughed at his predictions of disaster, but no one's laughing now.
b : to not be bothered by something — + at ▪ Sitting inside their tent, they were able to laugh at the weather. ▪ He laughed at danger. 3 [+ obj] : to say (something) in an amused way
▪ “I've never seen anything so ridiculous,” he laughed. 4 [+ obj] : to cause (someone) to go, move, etc., by laughing
▪ The audience laughed the singer off the stage. ▪ They laughed him out of town. ▪ He laughed himself sick. [=he made himself sick by laughing too much] ◊Someone or something that is laughed out of court or (US) laughed out of town is regarded as very foolish and is not accepted or treated in a serious way.
▪ His theories were laughed out of court.
▪ What are you laughing about? ▪ The audience was laughing hysterically. ▪ I've never laughed so hard in my life. ▪ I couldn't stop laughing when I saw what he was wearing. ▪ I laughed out loud when I saw him. ▪ I burst out laughing. [=I suddenly started laughing] ▪ He laughed so hard I thought he'd die laughing. ▪ The movie was hilarious. We laughed our heads off. ▪ I laughed until I cried. [=I laughed so much that tears came out of my eyes] ▪ (Brit) She was laughing like a drain. [=she was laughing very hard] ▪ I didn't know whether to laugh or cry [=I was surprised and shocked] when she told me she was getting married. ▪ It's no laughing matter when you lose your job. [=it's a serious and important thing that people should not joke about] — often + at ▪ She laughed at the joke. ▪ Why is everyone laughing at me?
b : to not be bothered by something — + at ▪ Sitting inside their tent, they were able to laugh at the weather. ▪ He laughed at danger.
▪ “I've never seen anything so ridiculous,” he laughed.
▪ The audience laughed the singer off the stage. ▪ They laughed him out of town. ▪ He laughed himself sick. [=he made himself sick by laughing too much] ◊Someone or something that is laughed out of court or (US) laughed out of town is regarded as very foolish and is not accepted or treated in a serious way.
▪ His theories were laughed out of court.
be laughing
Brit, informal : to be in a very good situation with nothing to worry about
▪ If they can just close this important deal, they'll be laughing! [=they'll be on easy street]
▪ If they can just close this important deal, they'll be laughing! [=they'll be on easy street]
don't make me laugh
informal — used as a response to a statement that you think is very wrong or foolish ▪ “I could beat you at chess easily.” “Don't make me laugh.”
have to laugh
◊If you say you have to laugh about something, you mean that it is amusing in a certain way, even if it is also unpleasant or foolish.
▪ I had to laugh when I found out that our luggage had been lost. What else could go wrong?
▪ I had to laugh when I found out that our luggage had been lost. What else could go wrong?
he who laughs last, laughs best or he laughs best that laughs last
— used to say that even if you are not successful now you still succeed or win in the end
laugh all the way to the bank
: to make a lot of money especially by doing something that other people thought was foolish or amusing
▪ People thought his invention was ridiculous, but now he's laughing all the way to the bank.
▪ People thought his invention was ridiculous, but now he's laughing all the way to the bank.
laughing hyena, laughing like a hyena — see hyena
laugh in someone's face
: to laugh directly at someone in a way that shows disrespect
▪ When I asked for his help he laughed in my face.
▪ When I asked for his help he laughed in my face.
laugh off [phrasal verb]
laugh (something) off or laugh off (something) : to laugh about or make jokes about (something) in order to make people think it is not serious or important
▪ The candidate laughed off the question about his marriage. ▪ The injury was serious, but he laughed it off.
▪ The candidate laughed off the question about his marriage. ▪ The injury was serious, but he laughed it off.
laugh on the other side of your face
— used to say that a situation will change and someone will stop being happy or pleased ▪ You'll be laughing on the other side of your face when I've finished with you!
laugh up your sleeve
: to be secretly happy about or amused by something (such as someone else's trouble)
▪ The mayor's critics were laughing up their sleeves when news of the scandal was first reported.
▪ The mayor's critics were laughing up their sleeves when news of the scandal was first reported.
— laugh·er /ˈlæfɚ, Brit ˈlɑ:fɚ/ noun, plural laugh·ers [count]
/ˈlæfɚ, Brit ˈlɑ:fɚ/ noun, plural laugh·ers [count]
