[in.ef.fi.cient] adj (1750): not efficient: as a: not producing the effect intended or desired b: wasteful of time or energy "~ operating procedures" c: incapable, incompetent "an ~ worker" -- inefficient n -- in.ef.fi.cient.ly adv
INEFFICIENT
Meaning of INEFFICIENT in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012