| bemuse(upset, shock, confuse, surprise, bewilder) | |
| benumb(verb, shock, confuse, confound, surprise) | |
| bestir(disturb, stimulate, arouse, stir, awaken) | |
| blindsided | |
| bowl down | |
| browbeat(upset, worry, shock, agitate, scare) | |
| bug(verb, disturb, encourage, stimulate, excite) | |
| bully(impress, amaze, frighten, threaten, grandstand) | |
| burst in on(verb, expression, idiom, take, surprise) | |
| bushwhack | |
| bypass | |
| capture(verb, take) | |
| catch off-balance(verb, take) | |
| catch off-guard(verb, take) | |
| catch out(verb, phrasal verb) | |
| catch red-handed(verb, take) | |
| challenge(stimulate, arouse, stir, trigger, awaken) | |
| charge(stimulate, stir, captivate, thrill, transfix) | |
| chicken out(expression, scare, become, freak) | |
| chill(upset, shock, agitate, dismay, scare) |
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| APA | Smart Define. (2016). startle thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/startle/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "startle thesaurus" https://smartdefine.org/startle/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, startle thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/startle/thesaurus/synonyms>. |
| MLA | Smart Define. "startle thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/startle/thesaurus/synonyms> |