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to act as

to act as

25 3.4
Pretend to have qualities or feelings you do not have
  • phrasal verb
  • /ækt æz/
translation icon : actuar como si
  • If there is something that you wish to become, act as if that were what you already are.
  • acts as a distraction
  • acted as an observer

It's that we've all agreed to act as if I'm insane.

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Examples

Synonyms

to act
vsto act as
1.0

Behave in a certain way, often to pretend or hide feelings

focuses specifically on seeming to have qualities or a state of mind
to play
vsto act as
2.5

Behave in a way to trick or amuse someone

is the more focused idea of appearing to possess certain qualities internally
to make
vsto act as
8.1

To pretend to be someone or something else

is used for simple displays of seeming qualities beyond full false representation
to pretend
vsto act as
2.3

To act as if something is true when it is not

is a broader, neutral way to show such behaviour not only to deceive
to pose
vsto act as
172 6.1

To pretend to be someone you are not to trick people

is a wider expression of seeming to be a certain way not only identity fraud
to affect
vsto act as
115 8.1

To pretend to have a feeling or quality to deceive others

is a broader idea of seeming to feel or be something without fixed motive
to impersonate
vsto act as
70 7.2

Pretend to be another person by copying their looks, voice or actions

is broader, covering seeming qualities beyond copying a specific person's traits
to purport
vsto act as
  • Formal
69 8.0

To claim to be or do something, often without proof

is about seeming to have qualities rather than making formal claims
to portray oneself as
vsto act as
43 5.3

To show yourself as a certain kind of person to make others think that way

is the general act of appearing to have qualities rather than shaping perception strategically
to feign
vsto act as
40 7.2

Pretend to feel something, like surprise or interest, to trick other people

is a more general display of supposed feelings not always meant to trick
to play the role of
vsto act as
36 3.0

To act as a character in a play or as someone in a real situation

is the general showing of qualities that applies beyond staged performance
to make out
vsto act as
  • Informal
27 6.0

To pretend or claim something is true when it is not

is a general way of seeming to have qualities rather than making claims
to enact
vsto act as
27 4.8

To act out a scene in front of people, like in a play

is a wider notion of seeming qualities not limited to staged enactment
to masquerade
vsto act as
26 6.9

To pretend to be someone else to hide the truth

is the simpler idea of appearing to have qualities without full disguise
to simulate
vsto act as
20 6.7

Pretend to have a feeling to trick people

is the general act of seeming to have qualities without always intending deceit
to assume
vsto act as
11 5.0

Pretend to have a quality or feeling

is a general expression of appearing a certain way, not always assumed for effect
to play-act
vsto act as
2 6.1

To act out a scene to practice or show how something happens

is a general way of seeming to have qualities that may be practice or real
to playact
vsto act as
2 6.7

To pretend to be a person in a story on stage or with friends

is broader and can apply outside theatrical or staged performances
to personate
vsto act as
1 9.9

Pretend to be another person to trick people or act in a role

is less specific, referring to seeming to have a quality or state

Antonyms

34 8.3

Stay honest and true to yourself

How Convincing

to simulate
22 5.5
to act as
25 3.4
to pretend
2.3
fake
833 1.8

Surface Forms

act as infinitive
acted as past
acted as past participle
acting as present participle
acts as third person singular

Morphology

act + as

The meaning (to behave in a role or pretend to be something) is directly built from 'act' (to behave) plus 'as' (in the capacity/role of), so the overall sense is compositionally predictable. This role-marking use of 'as' is common in English and parallels patterns in many languages, so a B1 learner who knows the constituents should be able to infer the MWE meaning.

Etymology

Act as comes from stage acting, where a person pretends to be someone else. Because actors 'act as' other people, the phrase also means 'to pretend' or 'to behave as if'.