- 1.not right or reasonable."the unconscionable conduct of his son"
synonyms: unethical, amoral, immoral, unprincipled, indefensible, unforgivable, wrong; antonyms: ethical
- unreasonably excessive."shareholders have had to wait an unconscionable time for the facts to be established"
synonyms: excessive, unreasonable, unwarranted, uncalled for, unfair, inordinate, immoderate, undue, inexcusable, unforgivable, unnecessary, needless; Moreinformalover the top"we waited an unconscionable length of time" antonyms: acceptable