Meaning of the word "act like" in English

What does "act like" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

act like

US /ækt laɪk/
UK /ækt laɪk/

Phrasal Verb

1.

to behave in a particular way, especially in a way that is not natural or sincere

Example:
Don't act like you don't know what I'm talking about.
He always acts like he's the boss.
2.

to show signs of something; to seem to be something

Example:
The old car started to act like it was going to break down.
The medicine should act like a painkiller.