I. ə-ˈmis adverb
Date: 13th century
1.
a. : in a mistaken way : wrongly
if you think he is guilty, you judge amiss
b. : astray
something had gone amiss
2. : in a faulty way : imperfectly
II. adjective
Date: 14th century
1. : not being in accordance with right order
2. : faulty , imperfect
3. : out of place in given circumstances — usually used with a negative
a few remarks may not be amiss here