expeditious
0 antonyms and opposites of expeditious, grouped by meaning.
Adj — Fast, prompt, speedy.
We haven't recorded synonyms for expeditious yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From Middle English expedycius (“useful, fitting”), from Latin expedītus (“disengaged, ready, convenient, prompt; unfettered, unencumbered”), past participle of expediō.
Full origin of expeditious →