beg off

English Thesaurus

1. ask for permission to be released from an engagement (verb.communication)

hypernym	:	bespeak, call for, quest, request,
definition	:	express the need or desire for; ask for (verb.communication)

derivation	:	excuse,
definition	:	a note explaining an absence (noun.communication)

derivation	:	excuse,
definition	:	a note explaining an absence (noun.communication)