Synonyms|101Antonyms|52|Broader|0Narrower|0Related|43

84 entries under adverb topic. ×

4
imperviously
3
incomprehensibly
3
opaquely
3
unfathomably
2
darkly
2
impermeably
2
indestructibly
2
inscrutably
2
invincibly
2
invulnerably
2
obscurely
1
abstrusely
1
arduously
1
cloudily
1
compactly
1
densely
1
dumbly
1
enigmatically
1
expectantly
1
formidably
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APASmart Define. (2013). impenetrably thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impenetrably/thesaurus/synonyms
ChicagoSmart Define. 2013. "impenetrably thesaurus" https://smartdefine.org/impenetrably/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, impenetrably thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impenetrably/thesaurus/synonyms>.
MLASmart Define. "impenetrably thesaurus" 17 June 2013. Web. 26 September 2026. <https://smartdefine.org/impenetrably/thesaurus/synonyms>