Insult

From Middle French insult (noun) and insulter (verb), from Latin insultÄre ("to jump at, insult"), ultimately from salÄ«re ("to jump").

Full definition of insult

(obsolete, intransitive) To behave in an obnoxious and superior manner (over, against). 16th-19th c.

1621, Robert Burton, The Anatomy of Melancholy, II.3.3:thou hast lost all, poor thou art, dejected, in pain of body, grief of mind, thine enemies insult over thee, thou art as bad as Job ....

(transitive) To offend (someone) by being rude, insensitive or insolent; to demean or affront (someone). from 17th c.
(obsolete) To leap or trample upon; to make a sudden onset upon.

(plural insults)

Savagethe ruthless sneer that insult adds to grief
1987, Jamie Lee Curtis, A Fish Called Wanda:To call you stupid would be an insult to stupid people!

Anything that causes offence/offense, e.g. by being of an unacceptable quality.The way the orchestra performed tonight was an insult to my ears.
(medicine) Something causing disease or injury to the body or bodily processes.

2006, Stephen G. Lomber, Jos J. Eggermont, Reprogramming the Cerebral Cortex (page 415)... most investigators agreed with the characterization of early brain plasticity as a transiently available, ancillary system that is triggered by neural insult ...
2011, Terence Allen and Graham Cowling, The Cell: A Very Short Introduction, Oxford 2011, p. 96:Within the complex genome of most organisms there are alternative multiple pathways of proteins which can help the individual cell survive a variety of insults, for example radiation, toxic chemicals, heat, excessive or reduced oxygen.

(deliberatedly intended to be rude) abuse uncountable, affront, offence UK/offense US, pejorative, slam, slight, slur
(thing causing offence by being of unacceptable quality) disgrace, outrage