What does ‘act’ mean?

The word ‘act‘ can mean many different things. As a verb, the meaning is to take action and behave in a certain way.

For example:

  • We need to act now if we want to save the planet. (take action)
  • The children are acting silly. (behaving)

 

​Act is a regular verb. The past tense and past participle is acted.​

phrasal verbs with act list

Phrasal verbs with “act” are super common in English, and you’ve probably heard them without even realizing it! Whether it’s “act out” when someone’s being dramatic or “act on” when you’re following advice, these little phrases can completely change the meaning of “act.” This list is here to break down the most popular ones, making them easy to understand and use in everyday conversations.

 

Let’s dive in and see how many you already know!

phrasal verbs with act

act against

meaning – take action opposing or countering something or someone
example – Tony acted against his better judgement and drove after having 3 beers.

Environmental activists protesting with signs to act against climate change, save wildlife, and reduce plastic use, illustrating the phrasal verb 'act against.

act as

meaning – do the same function as a person or thing
example – The heart acts as a pump to transport blood around the body.

Illustration of a man saying 'I’ll be acting as the head teacher whilst Mr. Shepherd is off sick,' explaining the phrasal verb 'act as' with a school background.

act for

meaning – represent someone
example – The people chose Mr. Smith to act for them in parliament.

Image of a police officer at a vandalised jewellery store with a speech bubble saying 'Whoever did this will need a good lawyer acting for them,' explaining the phrasal verb 'act for.

act in

meaning – perform a role in a play, movie, or production
example – Sarah has acted in several West End shows.

Two people watching a movie with actors performing on screen, illustrating the phrasal verb 'act in' with examples for ESL and language learning.

act on

meaning – follow advice/take action
example – He acted on friend’s advice and left before there was trouble.

Image of a boy holding a rose, saying 'I’ve decided to act on my feelings and ask you out,' demonstrating the phrasal verb 'act on' in a playground setting.

act out

meaning – express through actions or words
example – I’ve acted out 10 films and no one has guessed any. I hate charades!

Image of a courtroom. The Lawyer says to the defendant 'Can you please act out what happened on the evening of September 5th.' Demonstrating the phrasal verb 'act out' in a courtroom setting.

act up

meaning – misbehave/malfunction
example – The machine acted up yesterday and I couldn’t complete the order.

Man looking into aquarium with a lobster pinching his nose, saying 'This one always acts up' illustrating the phrasal verb 'act up

act up to

meaning – doing what is required of you, act differently/put on a show for the audience
example – The kids started acting up to the cameras when they realised they were being filmed.

Detective Inspector acting up to his role at a crime scene, illustrating the phrasal verb 'act up to' in the context of responsibility and leadership.

act upon

meaning – follow advice/take action
example – Lilly acted upon her friend’s advice and went to the doctor.

Zookeeper acting upon injury of crocodile in the enclosure

You can download a table of phrasal verbs with act below.

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Click the links below to learn more phrasal verbs with pictures or go to the main phrasal verbs groups page to see the full list.