DERANGED

crazed, deranged, half-crazed

(adjective) driven insane

Source: WordNet® 3.1

From French dérangé.

Adjective

deranged (comparative more deranged, superlative most deranged)

disturbed or upset, especially mentally

insane

Synonyms

• See also insane

Verb

deranged

simple past tense and past participle of derange

Anagrams

• dangered, gandered, gardened, grenaded

Source: Wiktionary

De*ranged", a.

Definition: Disordered; especially, disordered in mind; crazy; insane. The story of a poor deranged parish lad. Lamb.

DERANGE

De*range", v. t. [imp. & p. p. Deranged; p. pr. & vb. n. Deranging.] Etym: [F. déranger; pref. dé- = dés- (L. dis) + ranger to range. See Range, and cf. Disarrange, Disrank.]

1. To put out of place, order, or rank; to disturb the proper arrangement or order of; to throw into disorder, confusion, or embarrassment; to disorder; to disarrange; as, to derange the plans of a commander, or the affairs of a nation.

2. To disturb in action or function, as a part or organ, or the whole of a machine or organism. A sudden fall deranges some of our internal parts. Blair.

3. To disturb in the orderly or normal action of the intellect; to render insane.

Syn.

– To disorder; disarrange; displace; unsettle; disturb; confuse; discompose; ruffle; disconcert.

Source: Webster’s Unabridged Dictionary 1913 Edition