Main Entry:

de·range

Pronunciation:

\di-ˈrānj\

Function:

transitive verb

Inflected Form(s):

de·ranged; de·rang·ing

Etymology:

French déranger, from Old French desrengier, from des- de- + reng line, row — more at rank

Date:

1769

1 : to disturb the operation or functions of 2 : disarrange <hatless, with tie deranged — G. W. Stonier> 3 : to make insane

— de·range·ment \-mənt\ noun