TENABLE Antonyms There are 2 antonyms of the word tenable. (opposite meanings)Did you mean?Definition of TENABLESynonyms of TENABLEAlso try opposite words for..tenabilityuntenabilityuntenablenessBest Opposite Words For TENABLETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?Synonyms..UsageTypeuntenableadjectiveadjadjective satellite • (of theories etc) incapable of being defended or justifiedintenableadjectiveadj No meanings yet for this word... Alternatives for UNTENABLE Words (1)indefensibleOpposite words for untenable