derange (redirected from derangements)

de·range  (d-rnj)

tr.v. 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.

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[French déranger, from Old French desrengier : des-, de- + reng, line (of Germanic origin; see sker-² in Indo-European roots).]

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de·rangement n.

Thesaurus

Verb	1.	derange - derange mentally, throw out of mental balance; make insane; "The death of his parents unbalanced him" unbalance craze, madden - cause to go crazy; cause to lose one's mind
	2.	derange - throw into great confusion or disorder; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt" throw out of kilter, perturb disarray, disorder - bring disorder to