2
sizable
2
taken into account
2
tidy
2
valuable
2
weighty
1
all-important
1
basic
1
cardinal(adjective, important, key)
1
conspicuous
1
decisive
1
discernible
1
distinct
1
distinctive
1
enormous
1
essential
1
exceptional
1
fatal
1
fateful
1
foremost
1
gigantic
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). negligible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/negligible/thesaurus/antonyms
ChicagoSmart Define. 2015. "negligible thesaurus" https://smartdefine.org/negligible/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2015, negligible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/negligible/thesaurus/antonyms>.
MLASmart Define. "negligible thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/negligible/thesaurus/antonyms>