Synonyms|34Antonyms|3|Broader|0Narrower|0Related|9

34 entries under adjective topic. ×

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observing(attentive, observant)
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perpendicular(firm, straight, upright)
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raised(firm, straight, upright)
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respectful(attentive, observant)
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rigid(firm, straight, upright)
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standing(firm, straight, upright)
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stiff(firm, straight, upright)
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straight
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straight up(expression, firm, straight, upright)
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thoughtful(attentive, observant)
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upright(firm, straight, vertical)
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upstanding(firm, straight, upright)
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vertical(firm, straight, upright)
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watchful(attentive, observant)
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APASmart Define. (2013). arrect thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/arrect/thesaurus/synonyms
ChicagoSmart Define. 2013. "arrect thesaurus" https://smartdefine.org/arrect/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, arrect thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/arrect/thesaurus/synonyms>.
MLASmart Define. "arrect thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/arrect/thesaurus/synonyms>