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adj. fals·er, fals·est
1. Contrary to fact or truth: false tales of bravery.
2. Deliberately untrue: delivered false testimony under oath.
3. Arising from mistaken ideas: false hopes of writing a successful novel.
4. Intentionally deceptive: a suitcase with a false bottom; false promises.
5. Not keeping faith; treacherous: a false friend. See Synonyms at faithless.
6. Not genuine or real: false teeth; false documents.
7. Erected temporarily, as for support during construction.
8. Resembling but not accurately or properly designated as such: a false thaw in January; the false dawn peculiar to the tropics.
9. Music Of incorrect pitch.
10. Unwise; imprudent: Don't make a false move or I'll shoot.
11. Computers Indicating one of two possible values taken by a variable in Boolean logic or a binary device.
In a treacherous or faithless manner: play a person false.

[Middle English fals, from Old English, counterfeit, and from Old French, false, both from Latin falsus, from past participle of fallere, to deceive.]

false′ly adv.
false′ness n.
References in classic literature ?
The falser he, the truer Joe; the meaner he, the nobler Joe.
No notion could have been falser than this, for Rosamond's discontent in her marriage was due to the conditions of marriage itself, to its demand for self-suppression and tolerance, and not to the nature of her husband; but the easy conception of an unreal Better had a sentimental charm which diverted her ennui.
We were treated to an amazing seven-course taster menu by Italian chef Theodor Falser, and it was plain to see why he has two Michelin stars.
Chef Theodor Falser, who has two Michelin stars for his restaurant in Italy, is known for his brand of gourmet Italian cuisine using wild herbs and vegetables to create the traditional dishes from his native Italy.