SynonymDefinitionAntonym.com - English Synonym Dictionary

Not in accordance with the fact or reality or actuality

In a disloyal and faithless manner

Not genuine or real; being an imitation of the genuine article

Adopted in order to deceive

Designed to deceive

(used especially of persons) not dependable in devotion or affection; unfaithful

Arising from error

Inaccurate in pitch

Deliberately deceptive

Erroneous and usually accidental

Inappropriate to reality or facts