1. (v. t.) To throw in between; to insert; to interpose.

2. (v. i.) To throw one's self between or among; to come between; to interpose.

allude to blurt blurt out call attention to comment drag in ease in edge in exclaim fill in foist in fudge in implant in infuse inject inject in inoculate insert insert in insinuate insinuate in intercalate interjaculate interpolate interpose intervene introduce introduce in intromit intrude let drop let fall lug in make reference to mention muse note observe opine perfuse pop in put between put in refer to reflect remark run in sandwich set in slip in smuggle in speak squeeze in stick in throw in thrust in tuck in wedge in whip in work in worm in