Synonyms|289Antonyms|73|Broader|7Narrower|5Related|182
1
hush-hush(adverb, clandestine, slyly, underhandedly, surreptitiously)
1
illegally
1
in a corner(expression, idiom)
1
in a whisper(expression, idiom)
1
in confidence(expression, idiom, slyly, confidentially, surreptitiously)
1
in darkness
1
in disguise(expression, idiom, adverb)
1
in hidlings
1
in holes and corners(expression, idiom, adverb, clandestine, slyly)
1
indistinctly
1
inscrutably
1
insidiously
1
interiorly
1
internally
1
invisible
1
mendacious
1
moodily
1
morosely
1
mysterily
1
mystically
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APASmart Define. (2016). secretly thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/secretly/thesaurus/synonyms
ChicagoSmart Define. 2016. "secretly thesaurus" https://smartdefine.org/secretly/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, secretly thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/secretly/thesaurus/synonyms>.
MLASmart Define. "secretly thesaurus" 19 February 2016. Web. 25 September 2026. <https://smartdefine.org/secretly/thesaurus/synonyms>