180 entries under adjective topic. ×

2
impractical(stupid, idle, useless, trivial)
2
insignificant(stupid, useless, trivial, empty)
2
invalid(meaningless, unsubstantiated, unsupported, annulled)
2
null(inferior, inadequate, limited, feeble)
2
powerless(silly, stupid, inferior, insignificant)
2
purposeless(weak, stupid, idle, useless)
2
remote(silly, stupid, insignificant, useless)
2
senseless
2
silly(stupid, insignificant, useless, senseless)
2
to no avail
2
unfortunate
2
unreal
2
unremunerative
2
void(inferior, inadequate, feeble, useless)
1
around in circles(expression, idiom, silly, stupid)
1
avoided(meaningless, invalid, unsubstantiated, unsupported)
1
bad(unsatisfactory, doomed, invalid, desperate)
1
blank
1
dead(clean, bleak, barren, meaningless)
1
detrimental
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APASmart Define. (2016). fruitless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fruitless/thesaurus/synonyms
ChicagoSmart Define. 2016. "fruitless thesaurus" https://smartdefine.org/fruitless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fruitless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fruitless/thesaurus/synonyms>.
MLASmart Define. "fruitless thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/fruitless/thesaurus/synonyms>