Synonyms|266Antonyms|1|Broader|0Narrower|0Related|2
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unauthorize(endorse, commission, cosign)
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APASmart Define. (2011). sign off on thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sign_off_on/thesaurus/antonyms
ChicagoSmart Define. 2011. "sign off on thesaurus" https://smartdefine.org/sign_off_on/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2011, sign off on thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sign_off_on/thesaurus/antonyms>.
MLASmart Define. "sign off on thesaurus" 24 May 2011. Web. 28 September 2026. <https://smartdefine.org/sign_off_on/thesaurus/antonyms>