efficient Antonyms - page 3

faultful fallow fallible erratic erring entangled disarrayed dilettantish butter-fingered bungling bungled botched bootless barren amateurish acarpous careless chaffy chaotic diarrheal designless deficient defeated defeasible cumbersome cluttered clodhopping abortive purposeless lax lame jumbled issueless inutile inorganic infecund inexpert misspent motiveless muddled purportless profitless powerless pointless otiose orderless noneffective needless inexpedient inept