n. 25B6; verb
the accusation upset her : DISTRESS, trouble, perturb, dismay, disturb, discompose, unsettle, disconcert, disquiet, worry, bother, agitate, fluster, throw, ruffle, unnerve, shake; hurt, sadden, grieve.
he upset a tureen of soup : KNOCK OVER, overturn, upend, tip over, topple (over); spill; archaic overset.
the dam will upset the ecological balance : DISRUPT, interfere with, disturb, throw out, turn topsy-turvy, throw into confusion, mess up.
25B6; noun
a legal dispute will cause worry and upset : DISTRESS, trouble, perturbation, dismay, disquiet, worry, bother, agitation; hurt, grief.
a stomach upset : DISORDER, complaint, ailment, illness, sickness, malady; informal bug; Brit. informal lurgy.
25B6; adjective
I was upset by the news : DISTRESSED, troubled, perturbed, dismayed, disturbed, unsettled, disconcerted, worried, bothered, anxious, agitated, flustered, ruffled, unnerved, shaken; hurt, saddened, grieved; informal cut up, choked; Brit. informal gutted.
an upset stomach : DISTURBED, unsettled, queasy, bad, poorly; informal gippy.
unperturbed, calm.