| surprise(verb, upset, shock, confuse, shake) |
| take aback(verb, expression, phrasal verb, upset, bother) |
| beat(verb, phrasal verb, drop, disturb, knowledge) |
| dumfound |
| flabbergast(verb, disturb, shock, confuse, overwhelm) |
| frustrate(verb, upset, trouble, bother, disturb) |
| get(verb, informal, confuse, throw, confound) |
| shock(verb, confuse, overwhelm, depress, shake) |
| stick(verb, phrasal verb, knowledge, informal, confuse) |
| thwart(verb, block, prevent, hinder, confuse) |
| daze(verb, upset, trouble, disorder, disturb) |
| muddle(verb, upset, obscure, confuse, depress) |
| rattle(verb, upset, trouble, disorder, bother) |
| discomfit(verb, upset, trouble, bother, disturb) |
| dismay(noun, verb, upset, shock, confuse) |
| faze(verb, upset, trouble, bother, disturb) |
| fluster(verb, upset, trouble, disorder, bother) |
| foil(verb, disturb, block, prevent, hinder) |
| overcome(verb, confuse, throw, surprise, disconcert) |
| pose(verb, disturb, difficulty, confuse, frustrate) |