Synonyms and Antonyms of ineffective (ĭn&stress;ĭ-fĕktĭv)

inefficient inefficacious bungling flaccid ineffectual feeble futile powerless incapable faineant unavailing weak unfruitful vain worthless neutralized useless abortive fruitless idle impotent inadequate inept otiose pathetic void flaccidity impotency ineffectiveness ineffectuality invalidate nullify vitiate uneffective unable not effective unproductive feckless

effective

incompetent affect counterproductive counter-productive inappropriate unhelpful unreliable unworkable impractical unacceptable

ineffective ₂₂

effective ₂₀ efficient ₁₇ infective ₁₇

fictive ₁₅ fifteen ₁₃ evictee ₁₂ invitee ₁₀

effect ₁₄ effete ₁₂ tiffin ₁₂ evince ₁₁ infect ₁₁ finite ₉ invite ₉ entice ₈ incite ₈

civet ₁₀ civie ₁₀ evict ₁₀ fence ₁₀ ficin ₁₀ vinic ₁₀ event ₈ evite ₈ feint ₈ nieve ₈ niece ₇

viff ₁₃ fief ₁₀ fife ₁₀ five ₁₀ niff ₁₀ teff ₁₀ tiff ₁₀ fice ₉ vice ₉ even ₇ feet ₇ fete ₇ fine ₇ neif ₇ neve ₇ nevi ₇ vein ₇ vent ₇ vine ₇ cent ₆ cete ₆ cine ₆ cite ₆ etic ₆ nice ₆ inti ₄ nite ₄ teen ₄ tein ₄ tine ₄

eff ₉ iff ₉ eft ₆ eve ₆ fee ₆ fen ₆ fet ₆ fie ₆ fin ₆ fit ₆ vee ₆ vet ₆ vie ₆ vin ₆ cee ₅ ice ₅ tec ₅ tic ₅ nee ₃ net ₃ nit ₃ tee ₃ ten ₃ tie ₃ tin ₃

ef ₅ fe ₅ if ₅ en ₂ et ₂ in ₂ it ₂ ne ₂ te ₂ ti ₂