act-v; 3 Senses

Sense Number 1: play or perform a role (on a stage)

Commentary: Includes: ACT OUT

She wants to act Lady Macbeth, but she is too young for the role.
He acted in Julius Caesar.
She acted out what had happened earlier that day.

VerbNet: masquerade-29.6-1
FrameNet: Performance_and_roles
PropBank: act.01
WordNet 3.0 Sense Numbers: 3, 6, 10
WordNet Verb Particle Constructions, Multiword Expressions:
act_out 1, 2

Sense Number 2: take action or behave in a certain way

Commentary: Syntax Is: NP1[agent] ACT Includes: ACT UPON, ACT ON

She acts deaf when the news is bad.
Don't believe her, she's just acting upset.
She is acting as chair.
The dog acts ferocious, but he is really afraid of people.
The heap of stones will act as a barrier.
Think before you act.
They only listen but never act.
He acted upon the advance information.
Can you act on this matter soon?
The Founding Fathers acted on certain moral principles.
You should act like an adult.
Please act responsibly.
The Institute has failed to act fairly and in accordance with the appraisal procedure.
The brakes of my new car act quickly.
An object in motion tends to stay in motion unless acted upon by an unbalanced force.

VerbNet: seem-109-1
FrameNet: Conduct,Intentionally_act
PropBank: act.02
WordNet 3.0 Sense Numbers: 1, 2, 4, 5, 7, 8, 9
WordNet Verb Particle Constructions, Multiword Expressions:
act_on 1, 2
act_as 1, 2

Sense Number 3: cause trouble or pain

Commentary: Includes ACT UP, ACT OUT

The children acted up when they got bored.
My arthritis is acting up again.
The study found that alcohol abuse was strongly related to acting out among young CSP clients.

VerbNet: NM
FrameNet: NM
PropBank: NM
WordNet Verb Particle Constructions, Multiword Expressions:
act_up 1, 2