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