the art or occupation of performing fictional roles in plays, films, or television

she studied acting in New York

I'd prefer him not to go into acting as it's such an insecure business

an acting career

temporarily doing the duties of another person

the acting supervisor

take action; do something

they urged Washington to act

he denied the charges, claiming that he had acted in self-defence

we must act to reduce pollution

behave in the way specified

they challenged a man who was seen acting suspiciously

he acts as if he owned the place

try to act like civilized adults

take effect; have a particular effect

blood samples are analysed to find out how the drug acts in the body

they should remove taxes that act to suppress demand

perform a role in a play, film, or television

she acted in her first professional role at the age of six

he acted the role of the king