Synonyms|1.2kAntonyms|83|Broader|27Narrower|37Related|317
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unobservance(noun, ignorance, commemoration, stakeout)
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vacancy
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vagueness
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APASmart Define. (2016). observation thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/observation/thesaurus/antonyms
ChicagoSmart Define. 2016. "observation thesaurus" https://smartdefine.org/observation/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, observation thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/observation/thesaurus/antonyms>.
MLASmart Define. "observation thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/observation/thesaurus/antonyms>