from The American Heritage® Dictionary of the English Language, 4th Edition

  • Acting in the place of; substituting for: proform.
  • Supporting; favoring: prorevolutionary.
  • Earlier; before; prior to: procambium.
  • Rudimentary: pronucleus.
  • Anterior; in front of: procephalic.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • agreeing with; supporting; favouring
  • substituting for
  • earlier; prior
  • rudimentary
  • in front of

from the GNU version of the Collaborative International Dictionary of English

  • A prefix signifying before, in front, forth, for, in behalf of, in place of, according to


Middle English, from Old French, from Latin pro-, prō-, from prō, for; see per1 in Indo-European roots.
Middle English, from Old French, from Greek, from pro, before, in front; see per1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin pro ("in favour of, on behalf of"). (Wiktionary)
From Ancient Greek πρό (pro, "before"). (Wiktionary)


  • Look for the words "trigger warning," thinspo code indicating that you've reached a pro-anorexia blog aka pro-"ana" in thinspo speak.

    The Full Feed from

  • It's almost funny how these people would exchange the person who is, looking at it from their "pro- occupation at all costs" vantage point the most "pro-Israel" president ever for an unknown quantity like Perry or Romney.

    MJ Rosenberg: On Israel & Palestine, Barack Obama Is Rick Perry

  • On Feb. 10, deadly gunbattles between these pro- and anti-Assad factions prompted the Lebanese army to intervene.

    Syrian Conflict Spills to Neighbors

  • There is also a danger of the country being permanently divided into two, or being plunged into long-term civil war as divisions harden between pro- and anti-government tribes.

    Obama's Step Forward on Libya

  • Clashes have broken out in Lebanon's streets several times in recent months between pro- and anti-Assad Lebanese, including at a rally outside the Syrian embassy in Beiruit at which one person was stabbed.

    Lebanon Premier Sees Risks From Damascus

  • This means a compensation of Rs. 11 lakh, which pro- Posco leader Tamil Pradhan agrees may not be enough to swing opinion in favor of the proposed mega steel plant.

    Can Posco Cross The India Barrier?

  • Last night's violence started when around 2,000 pro- and antigovernment demonstrators started throwing stones at each other, according to witnesses at the scene.

    Two Protesters Killed at Yemen Rally

  • "We're going back to the old battle between the pro- and anti-Thaksin forces," said Pavin Chachavalpongpun, an expert on Thai politics and a fellow at the Institute of Southeast Asian Studies in Singapore.

    Thaksin's Sister Faces Legal Challenge Ahead of Vote

  • In an Aleppo neighborhood of mixed loyalties, clashes between pro- and anti-government residents left three dead, according to activists and residents.

    Russia Holds Back Syria Resolution

  • Also Sunday, the head of the Syrian Observatory for Human Rights, Rami Abdul Rahman, said at least 30 people were killed in the past 24 hours in the central city of Homs when clashes broke out between pro- and anti-government supporters.

    Syrian Troops Mass Near Border Town as Tensions Mount


Log in or sign up to get involved in the conversation. It's quick and easy.