Main definitions of pro- in English

: pro-1pro-2

pro-1

prefix

  • 1Favouring; supporting.

    ‘pro-choice’
  • 2Acting as a substitute or deputy for.

    ‘proconsul’
  • 3Denoting motion forwards, out, or away.

    ‘proceed’
    ‘propel’
    ‘prostrate’

Origin

From Latin pro ‘in front of, on behalf of, instead of, on account of’.

Pronunciation

pro-

/prəʊ/

Main definitions of pro- in English

: pro-1pro-2

pro-2

prefix

  • Before in time, place, order, etc.

    ‘proactive’
    ‘prothalamium’

Origin

From Greek pro ‘before’.

Pronunciation

pro-

/prəʊ/