Synonyms for in-efficient
- amateurish
- helpless
- inadequate
- incapable
- ineffectual
- inefficient
- inept
- inexperienced
- unqualified
- unskilled
- useless
- amateur
- raw
- awkward
- bungling
- bush-league
- clumsy
- disqualified
- floundering
- ineligible
- inexpert
- insufficient
- maladroit
- not cut out for
- not equal to
- not have it
- out to lunch
- unadapted
- unequipped
- unfit
- unfitted
- unhandy
- uninitiated
- unproficient
- untrained
MOST RELEVANT
Antonyms for in-efficient
- able
- capable
- competent
- expert
- qualified
- skilled
- strong
- useful
- adept
- dexterous
- effective
- efficient
- experienced
- proficient
- skillful
MOST RELEVANT
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.