Adjectives that collocate with EFFICIENCY (Sorted by collocation rank)
energy (99), high (83), maximum (73), fuel (73), cost (72), increased (69), conversion (65), thermal (64), operational (63), overall (62), water (61), system (60), peak (58), optimum (55), highest (54), space (54), improved (54), economic (53), production (53), business (52), quantum (52), relative (48), low (47), transfection (46), technical (46), organizational (46), aerodynamic (45), management (44), productive (42), great (42), separation (42), motor (41), significant (41), coding (41), administrative (41), current (40), treatment (40), generation (40), ruthless (39), further (38), poor (36), typical (36), mental (34), industrial (32), actual (31), annual (31), physical (30), net (29), record (29), theoretical (28), comparative (27), measured (26), sampling (26), marginal (24), individual (24), retention (23), external (17), beam (14), corresponding (11), machine's (7).
Adjectives that collocate with EFFICIENCY (Sorted by alphabetical order)
actual (31), administrative (41), aerodynamic (45), annual (31), beam (14), business (52), coding (41), comparative (27), conversion (65), corresponding (11), cost (72), current (40), economic (53), energy (99), external (17), fuel (73), further (38), generation (40), great (42), high (83), highest (54), improved (54), increased (69), individual (24), industrial (32), low (47), machine's (7), management (44), marginal (24), maximum (73), measured (26), mental (34), motor (41), net (29), operational (63), optimum (55), organizational (46), overall (62), peak (58), physical (30), poor (36), production (53), productive (42), quantum (52), record (29), relative (48), retention (23), ruthless (39), sampling (26), separation (42), significant (41), space (54), system (60), technical (46), theoretical (28), thermal (64), transfection (46), treatment (40), typical (36), water (61).