derange

To derange is defined as to unsettle something or to make insane.

(verb)

  1. An example of to derange is to change the pattern of a child’s day.
  2. An example of to derange is to drive someone crazy.

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See derange in Webster's New World College Dictionary

transitive verb deranged, deranging

  1. to upset the arrangement, order, or operation of; unsettle; disorder
  2. to make insane

Origin: Fr déranger < OFr desrengier < des- (L dis-), apart + rengier: see range

Related Forms:

See derange in American Heritage Dictionary 4

transitive verb de·ranged, de·rang·ing, de·rang·es
  1. To disturb the order or arrangement of.
  2. To upset the normal condition or functioning of.
  3. To disturb mentally; make insane.

Origin:

Origin: French déranger

Origin: , from Old French desrengier

Origin: : des-, de-

Origin: + reng, line (of Germanic origin; see sker-2 in Indo-European roots)

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Related Forms:

  • de·rangeˈment noun

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