Synonyms|341Antonyms|82|Broader|3Narrower|1Related|409
5
indispensable(adjective, necessary)
5
necessary(adjective, reasonable, unimportant, trivial, inevitable)
3
essential
3
supportive
2
imperative
2
key
2
needed
2
required
2
vital
1
all-important
1
inevitable
1
multipurpose
1
necessitous
1
needful
1
requisite
1
unavoidable
0
avail
0
basic
0
bottom line(expression, insignificant, unimportant)
0
censorious
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APASmart Define. (2015). needless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/needless/thesaurus/antonyms
ChicagoSmart Define. 2015. "needless thesaurus" https://smartdefine.org/needless/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, needless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/needless/thesaurus/antonyms>.
MLASmart Define. "needless thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/needless/thesaurus/antonyms>