The Oxford Thesaurus An A-Z Dictionary of Synonyms - jarэv.

1) shake, agitate, disturb, stir, shock, jolt, jounce, bounce, jog, jerk, jiggle, joggle: Don't jar the oven or the cake will collapse. 2) disagree, conflict, clash, bicker, quarrel, wrangle, oppose, discord: She finds that her emotions about her ex-husband are jarring. 3) disturb, upset, disconcert, unsettle, disquiet, bother, trouble, vex, gall, offend, take aback, irritate, grate, irk, nettle, annoy: It jars me to think that they got off with light sentences. --n. 4) shock, start, jolt, surprise: Seeing Sam after all those years gave me quite a jar.