to unfasten and separate; disengage; disunite.

Military . to send away (a regiment, ship, etc.) on a special mission.

verb

attach , combine , connect , couple , link , merge , unite

verb

abstract , disaffiliate , disassemble , disassociate , disengage , disentangle , disjoin , dismount , dissociate , disunite , divide , divorce , free , isolate , loose , loosen , part , remove , segregate , separate , sever , sunder , take apart , tear off , uncouple , unfasten , unfix , unhitch , withdraw , disconnect , break , disjoint , split , unsnap