amiss /əˈmɪs/adverb 3adjective 1noun 1forms 3 adverb3 •Astray. •Wrongly; mistakenlyWe shall not do amiss to notice, also, that in ordinary conversation, a few words are used as Turkish singulars, which are, in reality, Arabic plurals; but this is not correct in writing. — 1856 •Imperfectly. adjective[after a verb]1 •Wrong; faulty; out of order; improper or otherwise incorrect.He suspected something was amiss.Something amiss in the arrangements had distracted the staff. noun1 •(no longer used) Fault; wrong; an evil act, a bad deed.Now by my head (said Guyon) much I muse, / How that same knight should do so foule amis[…]. — 1590 formsamisses · more amiss · most amiss