—v.tr.
1 (usu. in passive; foll. by to + infin.) bind (a person) legally or morally.
2 US commit (assets) as security.
—adj. Biol. that has to be as described (obligate parasite).
Derivatives:
obligator n.
Etymology: L obligare obligat- (as OBLIGE)
Useful english dictionary. 2012.