Definition of -ency in English:

-ency

Pronunciation /ənsē/ /n-sē/ /(ə)nsi/

See synonyms for -ency

suffix

  • 1Forming nouns denoting a quality.

    • ‘efficiency’
  • 2Forming nouns denoting a state.

    • ‘presidency’

Origin

From Latin -entia (compare with -ence).