efficiency

Synonyms

efficiency competency virtue agency capability usefulness energy productiveness effectiveness

Antonyms

inefficiency inutility ineffectiveness

Ef*fi"cience, Ef*fi"cien*cy, n. Etym: [L. efficientia.] 1. The quality of being efficient or producing an effect or effects; efficient power; effectual agency. The manner of this divine efficiency being far above us. Hooker. 2. (Mech.) Defn: The ratio of useful work to energy expended. Rankine. Efficiency of a heat engine, the ratio of the work done an engine, to the work due to the heat supplied to it.

efficiency - Similar Words

inefficiency coefficiency efficience deficiency sufficiency efficiently efficient indeficiency deficience unsufficiency