Synonyms and Antonyms of tenable

  1. 1 capable of being defended against physical attack the soldiers' encampment on the open plain was not tenable, so they retreated to higher ground Synonyms defendable, defensible Related Words defended, guarded, protected, safeguarded, secure, secured, shielded; bulletproof, impregnable, indomitable, invincible, inviolable, invulnerable, unassailable, unbeatable, unconquerable, untouchable Near Antonyms vincible, vulnerable; assailable, exposed, imperiled (or imperilled), insecure, liable, open, susceptible, undefended, unguarded, unprotected, unsecured; defenseless, helpless, powerless, weak Antonyms indefensible, untenable

  2. 2 capable of being defended with good reasoning against verbal attack the tenable theory that a giant meteor strike set off a chain of events resulting in the demise of the dinosaurs Synonyms defendable, defensible, justifiable, maintainable, supportable, sustainable Related Words rational, reasonable, sensible, well-grounded; acceptable, admissible, allowable, exceptionable, legitimate, passable, unobjectionable, viable, warrantable; confirmable, provable, verifiable; explainable, explicable Near Antonyms absurd, illogical, irrational, ridiculous, unsound; extreme, outrageous, unreasonable; groundless, objectionable, unacceptable, unfounded; inexplicable, unexplainable Antonyms indefensible, insupportable, unjustifiable, unsustainable, untenable

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to cast off or become cast off

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