insult

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To treat with gross insensitivity, insolence, or contemptuous rudeness. See Synonyms at offend.
2. v. To affront or demean: an absurd speech that insulted the intelligence of the audience.
3. v. Obsolete To make an attack on.
4. v. Archaic To behave arrogantly.
5. v. Archaic To give offense; offend: a speech that was intended to insult.
6. n. An offensive action or remark.
7. n. Medicine A bodily injury, irritation, or trauma.
8. n. Something that causes bodily injury, irritation, or trauma: "the middle of the Bronx, buffeted and poisoned by the worst environmental insults that urban America can dish out” ( William K. Stevens).

Century Dictionary and Cyclopedia

1. To leap upon; specifically, to make a sudden, open, and bold attack upon; attack in a summary manner, and without recourse to the usual forms of war.
2. To offer an indignity to; treat contemptuously, ignominiously, or insolently, either by speech or by action; manifest scorn or contempt for.
3. To leap or jump.
4. To behave with insolent triumph; exult contemptuously: with on, upon, or over.
5. n. The act of leaping on anything.
6. n. An assault; a summary assault; an attack.
7. n. An affront, or a hurt inflicted upon one's self-respect or sensibility; an action or utterance designed to wound one's feelings or ignominiously assail one's self-respect; a manifestation of insolence or contempt intended to provoke resentment; an indignity.
8. n. Contemptuous treatment; outrage.
9. In pathology, to injure; inflict traumatism upon.
10. n. In pathology, external violence which causes a lesion.

Wiktionary

1. v. To behave in an obnoxious and superior manner (over, against). [16th-19th c.]
2. v. To offend (someone) by being rude, insensitive or insolent; to demean or affront (someone). [from 17th c.]
3. n. An action or form of speech deliberately intended to be rude.
4. n. Anything that causes offence/offense by being of an unacceptable quality.

GNU Webster's 1913

1. n. The act of leaping on; onset; attack.
2. n. Gross abuse offered to another, either by word or act; an act or speech of insolence or contempt; a deprecatory remark; an affront; an indignity.
3. n. An injury to an organism; trauma.
4. v. To leap or trample upon; to make a sudden onset upon.
5. v. To treat with abuse, insolence, indignity, or contempt, by word or action; to abuse.
6. v. To leap or jump.
7. v. To behave with insolence; to exult.

WordNet 3.0

1. v. treat, mention, or speak to rudely
2. n. a rude expression intended to offend or hurt
3. n. a deliberately offensive act or something producing the effect of deliberate disrespect