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in-efficient

see definition of in-efficient
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Synonyms for in-efficient

adj unskillful, unable
  • 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

Antonyms for in-efficient

  • able
  • capable
  • competent
  • expert
  • qualified
  • skilled
  • strong
  • useful
  • adept
  • dexterous
  • effective
  • efficient
  • experienced
  • proficient
  • skillful
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.