Appearance
Use device theme  
Dark theme
Light theme

What is the opposite of not effective?

Need antonyms for not effective? Here's a list of opposite words from our thesaurus that you can use instead.

Adjective
Having the power to produce a required effect
“Paracetamol is an effective medication for relieving pain.”
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
Find Antonyms
go
Word Tools Finders & Helpers Apps More Synonyms
Copyright WordHippo © 2024