in·ef·fi·cien·cy 
(ĭn′ĭ-fĭshən-sē)
(ĭn′ĭ-fĭshən-sē)n. pl. in·ef·fi·cien·cies
1. The quality, condition, or fact of being inefficient.
2. An inefficient act, design, or procedure: pointed out certain inefficiencies in the shipping operation.
- pathetically
- pathetic fallacy
- pathfinder
- pathfinding
- pathic
- pathname
- patho-
- pathobiology
- pathogen
- pathogenesis
- pathogenetic
- pathogenic
- pathogenically
- pathogenicity
- pathogeny
- pathognomonic
- pathography
- pathologic
- pathological
- pathologically
- pathologist
- pathology
- pathophysiologic
- pathophysiological
- pathophysiologist