FALSE

I. adjective (~r; ~st) Etymology: Middle English fals, faus, from Anglo-French & Latin; Anglo-French, from Latin falsus, from past participle of fallere to deceive Date: 12th century not genuine , 2. intentionally untrue , adjusted or made so as to deceive , intended or tending to mislead , not true , 4. not faithful or loyal ; treacherous , lacking naturalness or sincerity , 5. not essential or permanent, fitting over a main part to strengthen it, to protect it, or to disguise its appearance , inaccurate in pitch , 7. based on mistaken ideas , inconsistent with the facts , threateningly sudden or deceptive , see: faithless ~ly adverb ~ness noun II. adverb Date: 13th century in a ~ or faithless manner ; treacherously