How would you like to use PONS.com?

Already a PONS subscriber?
Log in here.

PONS with ads

Go to PONS.com as usual with ad tracking and advertisements.

You can find details of tracking in Information about data protection and under Privacy settings.

PONS Pur

without advertising by third parties

without ad tracking

Subscribe now

If you already have a user account for PONS.com, then you can subscribe to PONS Pur here.

Legal noticeData protectionPrivacy settings

Oxford Spanish Dictionary

English
English
Spanish
Spanish

efficient [Am əˈfɪʃənt, Brit ɪˈfɪʃ(ə)nt] ADJ

efficient secretary/management/system
eficiente
efficient machine/engine
de buen rendimiento
the least efficient mines
las minas menos rentables

energy-efficient [Am ˌɛnərdʒiəˈfɪʃ(ə)nt, Brit ˌɛnədʒɪɪˈfɪʃənt] ADJ

energy-efficient
energéticamente eficiente

fuel-efficient [ˈfju(ə)ləˌfɪʃənt] ADJ

fuel-efficient
que obtiene un mayor rendimiento del combustible

cost-effective [Am ˌkɔstəˈfɛktɪv, Brit kɒstɪˈfɛktɪv], cost-efficient [-ɪˈfɪʃənt] ADJ

cost-effective
rentable
cost-effective
redituable
cost-effective
económico
she's sickeningly clever/efficient
es tan inteligente/eficiente que da rabia
she is ruthlessly efficient/determined
es de una eficiencia/determinación que no se detiene ante nada
a leaner, more efficient company
una compañía más eficiente con menos personal
Spanish
Spanish
English
English
eficiente
efficient
eficaz
efficient
manual de la secretaria eficaz
the efficient secretary's handbook
RENFE - Red Nacional de los Ferrocarriles Españoles
Spain's state-run railroad system. It is generally cheap and efficient.

in the PONS Dictionary

English
English
Spanish
Spanish

efficient [ɪˈfɪʃnt] ADJ

efficient person
eficiente
efficient machine, system
de buen rendimiento
Spanish
Spanish
English
English
eficaz (persona)
efficient
eficiente (persona)
efficient
potente
efficient
in the PONS Dictionary
English
English
Spanish
Spanish

efficient [ɪ·ˈfɪʃ·ənt] ADJ

efficient person
eficiente
efficient machine, system
de buen rendimiento
Spanish
Spanish
English
English
eficaz (persona)
efficient
eficiente (persona)
efficient
potente
efficient