impostor
/ɪmˈpɒstə(r)/ (bre, ipa) · /ɪmˈpɑːstər/ (ame, ipa) · /im-ˈpä-stər/ (ame, mw)
impostor — noun
- impostorsingular
- impostorsplural
1. someone who falsely claims a different identity, often a stranger's name, job, o
someone who falsely claims a different identity, often a stranger's name, job, or rank, so that people will trust them or hand over money, access, or secrets.
An impostor wearing a fake uniform walked past the guards at the embassy gate.
typical noun phrase: 'an impostor + wearing/posing/claiming...'
Yuna realised the man at her grandmother's door was an impostor when he could not name a single relative.
predicative: 'be an impostor' as the reveal of a deception
Police arrested the impostor who had collected three months of pension cheques in Christopher's name.
Tendai phoned the bank the moment she suspected an impostor was using her card abroad.
The hospital tightened its visitor checks after an impostor posing as a nurse entered the children's ward.
- impersonator
more neutral — often paid entertainer copying a celebrity; 'impostor' implies criminal or harmful intent
- fraud
broader — anyone faking credentials, expertise, or character, not only identity
- fake
informal; can describe a thing as well as a person
- pretender
older / more literary; often used of someone claiming a title or throne
文法句型
an impostor + (modifier)
用法筆記
Almost always countable and modified — typical frame is 'an impostor + posing/claiming/pretending to be + [role or person]'. Subject of verbs like 'pose', 'pretend', 'claim'; object of verbs like 'unmask', 'expose', 'arrest', 'catch'.