What is the opposite of ineffective?

Need antonyms for ineffective? Here's a list of opposite words from our thesaurus that you can use instead.

(effective) Opposite of not producing any significant or desired effect
more ❯
(expedient) Opposite of not producing any significant or desired effect
Opposite of not valid or legally binding
“In essence, the plaintiff was claiming that he would not have acted as he did, had he not had a valid contract.”
Opposite of not fulfilling or not expected to achieve the intended purpose or desired outcome
“Investigators were able to extract useful information from the company's financial records.”
Opposite of having no effect or not in operation
“I cannot believe that after all these years, without upgrades, your computer is still operational.”
Opposite of lacking strength of character
Opposite of inferior or unimpressive in nature, especially in comparison
“In my personal opinion, Heath gave us a superior rendition of the Joker.”
(of a faculty or part of the body) Opposite of reduced in quality or efficacy
“Owls are known for having powerful vision used for hunting prey.”
Opposite of lacking in colour, spirit, or vitality
Opposite of possessing or acting with the desire to do noble and romantic deeds, without thought of realism and practicality
Opposite of confusing or disordered
Find more words!
Use * for blank tiles (max 2) Advanced Search Advanced Search
Use * for blank spaces Advanced Search
Advanced Word Finder

See Also

Nearby Words
11-letter Words Starting With
Find Antonyms
Word Tools Finders & Helpers Other Languages More Synonyms
Copyright WordHippo © 2021