Synonyms for efficient

modified

1. Said of persons

   competent, businesslike, proficient, productive, good at, apt, adequate, fitted, able, capable, qualified, skillful, effective, clever, talented, energetic, skilled, adapted, familiar with, deft, adept, expert, experienced, having the requisite skill, workmanlike, having adequate energy, equal to, drilled, exercised, practiced, practical, accomplished, potent, active, dynamic, decisive, tough, shrewd, highpowered*; see also sense 2; able 2.

   Antonyms incompetent*, inefficient, unproductive.

2. Said of things

   economical, fitting, suitable, suited, effectual, effective, efficacious, adequate, serviceable, useful, profitable, saving, thrifty, labor-saving, time-saving, valuable, expedient, handy, conducive, well-designed, streamlined, cost-effective, unwasteful, practical, good for.

   Antonyms inefficient, ineffectual, wasteful*. See syn. study at effective.effective.