De-rān'ge', v. t.
v. t. [imp. & p. p. DERANGED; p. pr. & vb. n. DERANGING.] [Fr. déranger, from dé, for des, equivalent to Lat. dis, and ranger, to range, arrange, set in order, from rang, row, range, rank. See RANGE and RANK.]
Sense 1. To put out of place, order, or rank; to disturb the proper arrangement or order of; to throw into confusion, embarrassment, or disorder; as, to derange the plans of a commander, or the affairs of a nation.
Sense 2. To disturb in the action or function;—applied to a part or organ, or to the whole of a machine or organism.
A sudden fall deranges some of our internal parts. Blair.
Sense 3. To disturb in the orderly or normal action of the intellect; to render insane.
Sense 4. To remove from place or office, as the personal staff of a principal military officer. Thus, when a general officer resigns or is removed from office, the personal staff, appointed by himself, are said to be deranged. [Rare.]
Synonyms—To disorder; embarrass; disarrange; displace; unsettle; disturb; confuse; decompose; ruffle; disconcert.