Synonyms|499Antonyms|144|Broader|2Narrower|1Related|469
3
marginally
2
barely
2
hardly
2
meagerly
2
narrowly
1
abstractly
1
diminutively
1
ethereally
1
finely
1
insignificantly(adverb, slightly)
1
insubstantially
1
moderately
1
nominally
1
pretty(adverb, level, extent, degree)
1
scantily
1
scarcely
1
slightly
1
slimly
1
specifically
0
absolutely
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APASmart Define. (2015). substantially thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substantially/thesaurus/antonyms
ChicagoSmart Define. 2015. "substantially thesaurus" https://smartdefine.org/substantially/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substantially thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substantially/thesaurus/antonyms>.
MLASmart Define. "substantially thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/substantially/thesaurus/antonyms>