too 
/ˈtu:/ adverb
/ˈtu:/ adverb 1 usually used at the end of a sentence or clause : in addition : also
▪ We are selling the house and the furniture too. ▪ He saw something, and she saw it too. ▪ “I'm hungry.” “Me too.” ▪ I want to go too! ▪ My new girlfriend is funny and pretty—and rich too. [=besides] — often used for emphasis ▪ He lost his job—and right after he bought a house too. ▪ We decided not to go out that night. And it was a good thing too, because we had a big snowstorm. ▪ He finally proposed to her. It's about time too. 2 always used before an adjective or adverb : more than what is wanted, needed, acceptable, possible, etc.
▪ The soup is too hot. ▪ The offer was too good to refuse. ▪ This shirt is way/much too big for me. ▪ I'm too old for rock concerts. = I'm too old to go to rock concerts. ▪ She is much/far too young to be watching this movie. ▪ Thank you for your donation. You are too kind. [=you are very kind] ▪ You gave me too many cards. ▪ I have too much to do. ▪ He works much too hard. ▪ You work too slowly. ▪ Slow down. You're talking too fast. ▪ Don't stay too long. ▪ It's too late to do anything about it now. ▪ Her efforts to improve her grade were too little, too late. [=her efforts were not enough and not soon enough to make a difference] ▪ She knew all/only too well [=unfortunately, she knew very well] what the punishment would be. ▪ This kind of mistake happens all too often. [=happens more often than it should] — see also too bad at 1bad, too much at 1much 3 always used before an adjective or adverb : to a high degree or extent : very or extremely — used in negative statements ▪ I'm not too [=so] sure that he's right. [=I think he may be wrong] ▪ The climb up the mountain was not too hard. ▪ The students didn't seem too interested. ▪ She's not doing too well. ▪ He doesn't seem too upset. ▪ It is not too cold outside. ▪ He was none too pleased [=he was not pleased] to hear that I didn't do what he asked. 4 chiefly US, informal : most certainly
▪ “You're not strong enough to lift that box.” “I am too.” [=I am so; yes, I am] ▪ “I didn't do it.” “You did too.” [=yes, you did (do it)]
▪ We are selling the house and the furniture too. ▪ He saw something, and she saw it too. ▪ “I'm hungry.” “Me too.” ▪ I want to go too! ▪ My new girlfriend is funny and pretty—and rich too. [=besides] — often used for emphasis ▪ He lost his job—and right after he bought a house too. ▪ We decided not to go out that night. And it was a good thing too, because we had a big snowstorm. ▪ He finally proposed to her. It's about time too.
▪ The soup is too hot. ▪ The offer was too good to refuse. ▪ This shirt is way/much too big for me. ▪ I'm too old for rock concerts. = I'm too old to go to rock concerts. ▪ She is much/far too young to be watching this movie. ▪ Thank you for your donation. You are too kind. [=you are very kind] ▪ You gave me too many cards. ▪ I have too much to do. ▪ He works much too hard. ▪ You work too slowly. ▪ Slow down. You're talking too fast. ▪ Don't stay too long. ▪ It's too late to do anything about it now. ▪ Her efforts to improve her grade were too little, too late. [=her efforts were not enough and not soon enough to make a difference] ▪ She knew all/only too well [=unfortunately, she knew very well] what the punishment would be. ▪ This kind of mistake happens all too often. [=happens more often than it should] — see also too bad at 1bad, too much at 1much
▪ “You're not strong enough to lift that box.” “I am too.” [=I am so; yes, I am] ▪ “I didn't do it.” “You did too.” [=yes, you did (do it)]
Do not confuse too with to or two.
