interpose

1 to act as a go-between for opposing sides an elder statesman who has interposed a number of times in international conflicts Synonyms intercede, intermediate, intervene, mediateRelated Words butt in, interfere, intrude, meddle, obtrude, pry, snoop; arbitrate, moderate, negotiate, referee; barge (in), bother; break (in), chime in, cut in; infringe, invade, trespassNear Antonyms stand by; avoid, eschew, shun; disregard, ignore, overlook

2 to cause a disruption in a conversation or discussion I hate to interpose, but could you tell me what you meant by that last remark? Synonyms break in, chime in, chip in [chiefly British], cut in, interrupt, intrudeRelated Words barge (in), bother, horn in; add, contribute, put in

3 to put among or between others a solid line of police in riot gear interposed itself between the trade ministers and the crowd of protesters Synonyms edge in, fit (in or into), inject, insinuate, intercalate, interject, interpolate, insert, intersperse, introduce, sandwich (in or between), work inRelated Words cut in, inlay, inset, install; interfile, interline, lard, weave; cram, shove, thrust, wedge; add, append, attachNear Antonyms eject, eliminate, exclude, expel, extract, withdraw; deduct, detach, subtract; reject