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Synonyms

pro

1 American  
[proh] / proʊ /

adverb

  1. in favor of a proposition, opinion, etc.


noun

plural

pros
  1. a proponent of an issue; a person who upholds the affirmative in a debate.

  2. an argument, consideration, vote, etc., for something.

pro 2 American  
[proh] / proʊ /

adjective

  1. professional.


noun

plural

pros
  1. a professional.

  2. the pros, the professional athletic leagues, as of football, baseball, or basketball.

    He's sure to be signed by the pros.

pro 3 American  
[proh] / proʊ /

noun

Slang.

plural

pros
  1. prophylactic.


pro 4 American  
[proh] / proʊ /

preposition

Latin.
  1. for.


Pro 5 American  

abbreviation

Biochemistry.
  1. proline.


PRO 6 American  
Or P.R.O.
  1. public relations officer.


pro- 7 American  
  1. a prefix indicating favor for some party, system, idea, etc., without identity with the group (pro-British; pro-Communist; proslavery ), having anti- as its opposite.

  2. a prefix of priority in space or time having especially a meaning of advancing or projecting forward or outward, and also used to indicate substitution, attached widely to stems not used as words.

    provision; prologue; proceed; produce; protract; procathedral; proconsul.


pro- 8 American  
  1. a prefix identical in meaning with pro-1 , occurring in words borrowed from Greek (prodrome ) or formed of Greek (and occasionally Latin) elements.


pro 1 British  
/ prəʊ /

adverb

  1. in favour of a motion, issue, course of action, etc Compare anti

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

preposition

  1. in favour of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. (usually plural) an argument or vote in favour of a proposal or motion See also pros and cons

  2. (usually plural) a person who votes in favour of a proposal, motion, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
pro 2 British  
/ prəʊ /

noun

  1. informal short for professional

  2. slang a prostitute

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

abbreviation

  1. professional practitioner

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. informal short for professional

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
PRO 3 British  

abbreviation

  1. Public Records Office

  2. public relations officer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pro- 4 British  

prefix

  1. in favour of; supporting

    pro-Chinese

  2. acting as a substitute for

    proconsul

    pronoun

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pro- 5 British  

prefix

  1. before in time or position; anterior; forward

    prophase

    procephalic

    prognathous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pro1

First recorded in 1400–50; Middle English, from Latin prō (preposition) “in favor of, on behalf of,” akin to Greek pró, Sanskrit pra; for, per ( def. )

Origin of pro2

First recorded in 1840–50; by shortening

Origin of pro3

First recorded in 1945–50; by shortening

Origin of pro-7

< Latin prō-, pro-, combining form representing prō pro 1

Origin of pro-8

< Greek, combining form of pró for, before; pro 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Part of traveling the globe as a pro player, of course, means navigating different surfaces, balls, winds, temperatures, time zones, and local environments.

From Los Angeles Times

Ex-USC guard Destiny Littleton is in Jerusalem with her pro basketball teammates until she can get a flight to the U.S.

From Los Angeles Times

Now some of the pros are waving cash, offering discounted alternative routes.

From The Wall Street Journal

Here I thought he might have considered multiple courses of action, weighed pros and cons, gamed out costs and benefits.

From The Wall Street Journal

Tax pros might discuss the performance of these retirement accounts, as well as the couple’s overall portfolio, as they prepare federal and state returns.

From MarketWatch