97 entries under idiom topic. ×

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knock for six(verb, expression, delight, overwhelm)
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shake in boots(expression, scare, become, freak)
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strike with awe(expression, confuse, alarm, confound)
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throw a curve(verb, expression, upset, disturb)
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be afraid
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be alarmed
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beat a drum
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catch unawares(verb, surprise, impress)
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cry disquiet
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excite awe(expression, fear)
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excite fear(expression, fear)
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fill with fear(expression, scare, frighten, terrify)
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get a fright(expression, start, recoil)
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get in the way(verb, expression, upset, bother)
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get scared
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give a good account of oneself(expression, impress, amaze, grandstand)
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give a scare
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give a start
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give an alarm(expression, fear)
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head start
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APASmart Define. (2016). startle thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/startle/thesaurus/synonyms
ChicagoSmart Define. 2016. "startle thesaurus" https://smartdefine.org/startle/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, startle thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/startle/thesaurus/synonyms>.
MLASmart Define. "startle thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/startle/thesaurus/synonyms>