As nouns the difference between impostor and traitor
is that impostor is someone who attempts to deceive by using an assumed name or identity while traitor is one who violates his allegiance and betrays his/her country; one guilty of treason; one who, in breach of trust, delivers his country to an enemy, or yields up any fort or place intrusted to his defense, or surrenders an army or body of troops to the enemy, unless when vanquished; also, one who takes arms and levies war against his country; or one who aids an enemy in conquering his country.
As a verb traitor is
to act the traitor toward; to betray; to deceive.
As an adjective traitor is
traitorous.
impostor
Alternative forms
* imposter
* impostour (obsolete)
Noun
(
en noun)
Someone who attempts to deceive by using an assumed name or identity.
*
Synonyms
* impersonator
* See also
traitor
English
Alternative forms
* traitour (obsolete)
Noun
(
en noun)
One who violates his allegiance and betrays his/her country; one guilty of treason; one who, in breach of trust, delivers his country to an enemy, or yields up any fort or place intrusted to his defense, or surrenders an army or body of troops to the enemy, unless when vanquished; also, one who takes arms and levies war against his country; or one who aids an enemy in conquering his country.
Hence, one who betrays any confidence or trust.
Synonyms
*(one who betrays a confidence or trust) betrayer, fink
See also
* Benedict Arnold
* Quisling
* Judas
Verb
(
en verb)
To act the traitor toward; to betray; to deceive.
Adjective
(
en adjective)
traitorous
- (Spenser)
- (Alexander Pope)