118 entries under expression topic. ×

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pay attention to(verb, phrasal verb)
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pay heed to(verb, phrasal verb)
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peeled eye(scrutiny, investigation, shadowing)
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range of vision(noun, idiom, examination, vision)
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reasoning faculties(idiom, intellect)
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regulative principle(idiom, idea)
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screen from sight(idiom, concealment)
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scrutiny inspection(idiom, attention)
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take heed
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take heed of(verb, phrasal verb)
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take note of(verb, phrasal verb)
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telltale sign(noun, suggestion, indication, mention)
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thank you note(idiom, return, sign, key)
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thinking principle(idiom, intellect)
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thorough analysis(analysis, investigation)
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unsolicited opinion
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watch out(verb, phrasal verb)
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written communication(mark, line, record, minute)
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APASmart Define. (2016). observation thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/observation/thesaurus/synonyms
ChicagoSmart Define. 2016. "observation thesaurus" https://smartdefine.org/observation/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, observation thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/observation/thesaurus/synonyms>.
MLASmart Define. "observation thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/observation/thesaurus/synonyms>