113 entries under idiom topic. ×
| up and about(expression, adjective, conscious, wide-awake) | |
| up and coming(expression, energetic, daring, resourceful) | |
| up to it(expression, competent, capable, proficient) | |
| up to snuff(expression, competent, capable, proficient) | |
| up to speed(expression, competent, capable, proficient) | |
| upon the stretch(expression, attention) | |
| utter a caveat | |
| walking on eggs(expression, careful, thoughtful, prudent) | |
| warning device | |
| wave a red flag(verb, expression, advise, warn) | |
| wave flag(verb, expression, warn) | |
| with eyes peeled(expression, adjective, keen, careful) | |
| word to the wise(expression, sign, notice, caution) | |
| able to recognize(expression, adjective, understanding, keen) | |
| alarm system | |
| at one's post(expression, preparation) | |
| await an opportunity | |
| departed soul | |
| full of spirit(expression, spirited, courageous, plucky) | |
| give the lowdown on(verb, expression, advise, warn) |
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| APA | Smart Define. (2016). alert thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alert/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, alert thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>. |
| MLA | Smart Define. "alert thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms> |