180 entries under adjective topic. ×

4
inadequate(weak, limited, feeble, useless)
4
infecund
4
thankless(difficult, unsatisfactory, trying, unappreciated)
4
unfertile(empty, unproductive, sterile, infertile)
4
unprolific(product, unproductiveness)
4
unusable(weak, stupid, useless, impractical)
3
childless
3
forlorn(hopeless, inconsolable)
3
hopeless(stupid, idle, useless, trivial)
3
inefficient(weak, failure, inferior, inadequate)
3
nonfunctional(weak, stupid, idle, useless)
3
trivial(stupid, insignificant, useless, empty)
3
unserviceable(useless, impractical, hopeless, inutility)
3
unworkable(weak, stupid, idle, useless)
2
bare(clean, dry, dead, bleak)
2
conceited
2
exhausted(useless, trivial, insufficient, hopeless)
2
fatuous
2
feeble(weak, inadequate, limited, useless)
2
good-for-nothing(weak, stupid, idle, useless)
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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>