Englishfor English speakers
act
Verb
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& If you act in some way, you do something that makes people think you are that way.
When he must do something, he acts quickly.
Don't do anything strange. Just act normal.
She acted the fool when she saw him.
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If you act, you perform in a film or a play.
Daniel Radcliffe acts in the Harry Potter films.
act
Noun
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Something done, a deed.
Going into the house on fire to help a child was a brave act.
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An act is a law made by the government.
The UK's Freedom of Information Act was passed in 2004. It lets people ask questions of the government.
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An act is when you do something to make people believe something other than the truth.
Susan seems nice, but it's all an act.
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An act is a part of a play, opera, ballet, musical, film, or other theatrical piece. An act is sometimes divided into scenes.
The curtain comes down at the end of each act.
jointly
Adverb
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When two or more people do something jointly, they do it together; they cooperate on it.
The President told his staff that he liked to make decisions jointly. He liked to get everybody's opinion and decide as a group what was best, instead of just making decisions on his own.
The teacher told her students: "You may do this project jointly. Please pick one other student who you would like to work with."
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When two things cause something jointly, both things caused it to happen.
The police decided that both drivers caused the car accident jointly, because they were both driving too fast and talking on their cell phones.