1. In an inefficient manner
   "he dealt inefficiently with the crisis"

See also: inefficient

Antonym: efficiently

• unrepeatable
• unrepentant
• unrepentantly
• unreplaceable
• unreportable
• unreported
• unrepresentative
• unrepressed
• unreproducible
• unreproducibly
• unreproved
• unrequested
• unrequited
• unresentful
• unreserved
• unreservedly
• unresistant
• unresisting
• unresolvable
• unresolved
• unrespectability
• unrespectable
• unresponsive
• unresponsiveness
• unrest