disdain

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To regard or treat with haughty contempt; despise. See Synonyms at despise.
2. v. To consider or reject as beneath oneself.
3. n. A feeling or show of contempt and aloofness; scorn.

Century Dictionary and Cyclopedia

1. To think unworthy or worthless; reject as unworthy of notice or of one's own character; look upon with contempt and aversion; contemn; despise: as, to disdain a mean action.
2. To fill with scorn or contempt.
3. Synonyms Despise, etc. (See scorn), scout, spurn. See comparison of nouns under arrogance.
4. To be filled with scorn or contempt.
5. n. A feeling of contempt mingled with aversion; contempt; scorn.
6. n. The state of being despised; the state of feeling one′ s self disgraced; ignominy; disgrace.
7. n. That which is worthy of disdain.
8. n. Synonyms pride, Presumption, etc. (see arrogance), scornfulness, contemptuousness.See scorn, v.

Wiktionary

1. n. uncountable A feeling of contempt or scorn.
2. v. transitive To regard (someone or something) with strong contempt.
3. v. intransitive, obsolete To be indignant or offended.

GNU Webster's 1913

1. n. A feeling of contempt and aversion; the regarding anything as unworthy of or beneath one; scorn.
2. n. obsolete That which is worthy to be disdained or regarded with contempt and aversion.
3. n. obsolete The state of being despised; shame.
4. v. To think unworthy; to deem unsuitable or unbecoming.
5. v. To reject as unworthy of one's self, or as not deserving one's notice; to look with scorn upon; to scorn, as base acts, character, etc.
6. v. To be filled with scorn; to feel contemptuous anger; to be haughty.

WordNet 3.0

1. n. a communication that indicates lack of respect by patronizing the recipient
2. v. reject with contempt
3. n. lack of respect accompanied by a feeling of intense dislike
4. v. look down on with disdain