What is another word for inefficacious?

Need synonyms for inefficacious? Here's a list of words from our thesaurus that you can use instead.

Adjective
Not producing the desired effect
“Then I just started wittering in a pretty inefficacious way at the Carribean customer service woman.”
Find more words!
Use * for blank tiles (max 2) Advanced Search Advanced Search
Use * for blank spaces Advanced Search
Advanced Word Finder

See Also

Watch and Learn
Nearby Words
13-letter Words Starting With
Find Synonyms
go
Word Tools Finders & Helpers Other Languages More Synonyms
Copyright WordHippo © 2019