false - adjective

• not in accordance with the fact or reality or actuality
• arising from error
• erroneous and usually accidental
• deliberately deceptive
• inappropriate to reality or facts
• not genuine or real; being an imitation of the genuine article
• designed to deceive
• inaccurate in pitch
• adopted in order to deceive
• (used especially of persons) not dependable in devotion or affection; unfaithful

false - adverb

• in a disloyal and faithless manner

false - thesaurus

assumed   delusive   faithlessly   fake   faux   fictitious   fictive   imitation   mistaken   pretended   sham   simulated   sour   traitorously   treacherously   treasonably   untrue