to do something, especially something slightly bad:
Go upstairs and see what the kids are getting up to.
What did you get up to at the weekend?
WORD CHOICE: WORD CHOICE: gain, earn, getDo not use gain to mean 'get money for work you do'. Use earn• people earning less than £10,000 per year • How much does he earn?Gainmeans to get something useful or necessary, whether or not you deserve it• I have gained a lot of useful experience. • Her problems seem to have gained her more support from the public.Use earn rather than gainto say that you get something because you deserve it• Through hard work you will earn the respect of your colleagues.Get can be used as a less formal way of saying gain or earn• I get $20 an hour. • He has started to get a reputation for being awkward. ➔ See alsogainWORD CHOICE: WORD CHOICE: become, get, go, turn, grow, comebecomecan be followed by an adjective or noun, not a verb• Her husband became jealous. • We soon became friends.The following words are used with an adjective instead of become, in certain cases:get is very often used instead of become, and is more usual in spoken English• I was getting hungry. • Things got worse and worse.go is usedto say that something changes colour• The sky went pink.to say that someone feels a change in their body• My fingers have gone numb. with blind and deaf• He went blind. with mad, insane, crazyetc• The crowd went wild.turnis used especially to say that something changes colour• The liquid turned green.• His face turned pale.growcan be used in fairly literary written English to say that something changes gradually• It grew dark as we walked.with a to-infinitive, to say that someone gradually starts doing something• We grew to love each other.come is usedwith adjectives like apart, undone, and unstuck• Your shoelace has come undone.• A few pages came loose. with true• Her prediction came true. with a to-infinitive to say that someone starts doing something• I eventually came to realize (NOT became to realize) I was wrong. ➔ See alsobecomeWORD CHOICE: WORD CHOICE: bring, take, get, fetchbringmeans to carry something or come with someone to the place where you are or to the place where you are talking about• Would you like me to bring anything to the party? • She brought her Spanish friend into class.takemeans to carry something or go with someone to another place, away from where you are or where you are talking about• Don't forget to take your umbrella.• I'll take you home.getmeans to go to another place and come back with something or someone• I went upstairs to get my jacket.In British English, you can also use fetch• Will you fetch Susan from the airport?In American English, you only use fetch to talk about a dog getting something. ➔ See alsobring
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.