im·pos·tor

[im-pos-ter]
noun
a person who practices deception under an assumed character, identity, or name.
Also, im·post·er.


Origin:
1580–90; < Late Latin, equivalent to Latin impos(i)-, variant stem of impōnere to deceive, place on (see impone) + -tor -tor

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World English Dictionary
impostor or imposter (ɪmˈpɒstə) [Click for IPA pronunciation guide]
 
n
a person who deceives others, esp by assuming a false identity; charlatan
 
[C16: from Late Latin: deceiver; see impose]
 
imposter or imposter
 
n
 
[C16: from Late Latin: deceiver; see impose]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Impostor is always a great word to know.
So is interrobang. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Etymonline
Word Origin & History

impostor
1586, from M.Fr. imposteur, from L.L. impostorem (nom. impostor), agent noun from impostus, collateral form of impositus, pp. of imponere "place upon, impose upon, deceive," from in- "in" + ponere "to put place" (see position). Imposture "act of willfully deceiving others" first recorded 1537.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
The bad feelings are displaced to a double, who is an impostor and may safely be rejected.
Sometimes distinguishing the real thing from an impostor takes a lot of expertise and know-how.
Some may be suffering from the impostor syndrome at the beginning, not knowing if they fully belong to this community.
Once allowed access by the homeowner, the impostor sought cash for payment of a past due bill or for performing a service.
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