Synonyms|43Antonyms|26|Broader|0Narrower|0Related|29

26 entries under adverb topic. ×

4
impenetrably
2
firmly
2
hermetically
2
impermeably
2
invulnerably
2
tightly
1
callously
1
formidably
1
inaccessibly
1
indestructibly
1
insensitively
1
invincibly
1
unbeatably
0
durably
0
fearlessly
0
hardly
0
impassively
0
impracticably
0
indifferently
0
inextricably
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APASmart Define. (2015). imperviously thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/imperviously/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperviously thesaurus" https://smartdefine.org/imperviously/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, imperviously thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/imperviously/thesaurus/synonyms>.
MLASmart Define. "imperviously thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/imperviously/thesaurus/synonyms>