Synonym word of is inefficient:

abuse, be incompetent, be inefficient, blow, blunder, botch, bungle, confound, err, flub, foul up, fumble, goof up, goof, gum up, harm, make a hash of, make a mess of, maladminister, misapply, misconduct, misdirect, misemploy, misgovern, mistreat, misuse, muff


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular