To derange is defined as to unsettle something or to make insane.
(verb)See derange in Webster's New World College Dictionary
Related Forms:
See derange in American Heritage Dictionary 4
transitive verb de·ranged, de·rang·ing, de·rang·es
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)
.Related Forms:
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