Inefficiently Synonyms and Antonyms

In an ineffectual or incompetent manner
(Adjective)
In an inefficient manner
(Adverb)
Antonyms:
  1. efficiently

Words Related to Inefficiently

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.