All tenable antonyms
ten·a·ble
T t adj tenable
- infeasible — not feasible; impracticable.
- implausible — not plausible; not having the appearance of truth or credibility: an implausible alibi.
- cockamamie — If you describe something as cockamamie, you mean that it is ridiculous or silly.
- blue sky — fanciful; impractical: blue-sky ideas.
- incredible — so extraordinary as to seem impossible: incredible speed.
- derisory — If you describe something such as an amount of money as derisory, you are emphasizing that it is so small or inadequate that it seems silly or not worth considering.
- incogitable — Not cogitable; inconceivable.
- impossible — not possible; unable to be, exist, happen, etc.
- counterintuitive — (of an idea, proposal, etc) seemingly contrary to common sense
- impractical — not practical or useful.
- inconceivable — not conceivable; unimaginable; unthinkable.
- inoperable — not operable or practicable.
- lamebrained — a dunce; booby; fool.
- improbable — not probable; unlikely to be true or to happen: Rain is improbable tonight.
- marvelous — superb; excellent; great: a marvelous show.
- for the birds — any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.
- ridiculous — causing or worthy of ridicule or derision; absurd; preposterous; laughable: a ridiculous plan.
adjective tenable
- nonrealistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- gelastic — Pertaining to laughter, used in laughing, or to be the subject of laughter.
- nonfunctional — Not having any particular purpose or function.
- insupposable — Incapable of being supposed; inconceivable.
- nonviable — not capable of living, growing, and developing, as an embryo, seed, or plant.
- inapprehensible — That cannot be apprehended; not apprehensible to or graspable by either body or mind.
- inexecutable — That cannot be executed or carried out.