Synonyms|648Antonyms|169|Broader|7Narrower|1Related|205
8
reasonable
7
necessary
7
based on
5
warranted(adjective, reasonable)
5
justified(adjective, necessary)
4
costly(adjective, reasonable)
3
expensive(adjective, reasonable)
3
deserved(adjective, reasonable)
3
needed(adjective, reasonable)
2
required
1
paid
1
abduct
1
book
1
merited
0
abide
0
acceptable
0
all-important
0
apply
0
apprehend
0
approved
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APASmart Define. (2015). gratuitous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/gratuitous/thesaurus/antonyms
ChicagoSmart Define. 2015. "gratuitous thesaurus" https://smartdefine.org/gratuitous/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, gratuitous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/gratuitous/thesaurus/antonyms>.
MLASmart Define. "gratuitous thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/gratuitous/thesaurus/antonyms>