Synonyms|606Antonyms|186|Broader|11Narrower|17Related|521

23 entries under adjective topic. ×

21
productive
19
useful
14
fruitful
6
effective
3
profitable
2
substantial
2
thankful(worried, inconsiderate, productive, profitable)
1
meaningful
1
valuable
1
worthwhile
0
hopeful
0
flourishing
0
generous
0
hearty
0
lush
0
luxuriant
0
plentiful
0
pregnant
0
profuse
0
rich
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APASmart Define. (2016). futile thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/futile/thesaurus/antonyms
ChicagoSmart Define. 2016. "futile thesaurus" https://smartdefine.org/futile/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, futile thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/futile/thesaurus/antonyms>.
MLASmart Define. "futile thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/futile/thesaurus/antonyms>