efficient Antonyms - page 3

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