1. mystify, nonplus. Confuse, disconcert, embarrass imply temporary interference with the clear working of one's mind. To confuse is to produce a general bewilderment: to confuse someone by giving complicated directions. To disconcert is to disturb one's mind by irritation, perplexities, etc.: to disconcert someone by asking irrelevant questions. To embarrass is to cause one to be ill at ease or uncomfortable, so that one's usual judgment and presence of mind desert one: to embarrass someone by unexpected rudeness. 4. mortify, shame. 5. disarray, disarrange, disturb.