pro

1 [proh]
adverb
1.
in favor of a proposition, opinion, etc.
noun, plural pros.
2.
a proponent of an issue; a person who upholds the affirmative in a debate.
3.
an argument, consideration, vote, etc., for something.
Compare con1.


Origin:
1350–1400; Middle English < Latin prō (prep) in favor of, for; akin to per-, Greek pró, Sanskrit pra

Dictionary.com Unabridged

pro

2 [proh] Informal.
adjective
noun, plural pros.
3.
the pros, the professional athletic leagues, as of football, baseball, or basketball: He's sure to be signed by the pros.

Origin:
1840–50; shortened form

pro

3 [proh]
noun, plural pros. Slang.
prophylactic ( def 5 ).

Origin:
shortened form

pro

[proh; English proh]
preposition Latin.
con, pro.

PRO

public relations officer.
Also, P.R.O.

Pro

Biochemistry.

pro-

1
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.

Origin:
< Latin prō-, pro-, combining form representing prō pro1

pro-

2
a prefix identical in meaning with pro-1, , occurring in words borrowed from Greek (prodrome ) or formed of Greek (and occasionally Latin) elements.

Origin:
< Greek, combining form of pró for, before; see pro1

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To pro
Collins
World English Dictionary
pro1 (prəʊ)
 
adv
1.  Compare anti in favour of a motion, issue, course of action, etc
 
prep
2.  in favour of
 
n , pros
3.  (usually plural) See also pros and cons an argument or vote in favour of a proposal or motion
4.  (usually plural) a person who votes in favour of a proposal, motion, etc
 
[from Latin prō (prep) in favour of]

pro2 (prəʊ)
 
n , pl pros
1.  informal short for professional
 
the internet domain name for
2.  professional practitioner
 
n
3.  slang a prostitute
 
adj
4.  informal short for professional
 
[C19: by shortening]

PRO
 
abbreviation for
1.  Public Records Office
2.  public relations officer

pro-1
 
prefix
1.  in favour of; supporting: pro-Chinese
2.  acting as a substitute for: proconsul; pronoun
 
[from Latin prō (adv and prep). In compound words borrowed from Latin, prō- indicates: forward, out (project); forward and down (prostrate); away from a place (prodigal); onward in time or space (proceed); extension outwards (propagate); before in time or place (provide, protect); on behalf of (procure); acting as a substitute for (pronominal); and sometimes intensive force (promiscuous)]

pro-2
 
prefix
before in time or position; anterior; forward: prophase; procephalic; prognathous
 
[from Greek pro (prep) before (in time, position, rank, etc)]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

pro-
prefix meaning "before, forward, in favor of, in place of," from L. pro "on behalf of, in place of, before, for," also in some cases from cognate Gk. pro "before, in front of," both from PIE *pro-, extended form of base *por- "forward, through" (cf. Skt. para "beyond," pra- "before, forward, forth;"
Gk. paros "before," para- "from beside, against, beyond;" Goth. faura "before," O.E. fore "before, for, on account of," fram "forward, from"). Pro and con is attested from c.1400, short for pro and contra "for and against" (L. pro et contra).

pro
1866, shortening of professional. The adj. is first recorded 1932. Pro-am "including professionals and amateurs" is from 1949.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

Pro abbr.
proline

pro- pref.

  1. Earlier; before; prior to: progenitor.

  2. Rudimentary: pronucleus.

  3. Anterior; in front of: procephalic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Slang Dictionary

pro definition


  1. n.
    a professional (at anything); someone as good as a professional. : When it comes to typing, he's a pro.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
Cite This Source
American Heritage
Abbreviations & Acronyms
pro
  1. professional

  2. prostitute

PRO
  1. peer review organization

  2. professional review organization

  3. pronoun

  4. public relations officer

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences
Ask them to provide specific examples for their pro and con statements, based
  on the things they have read in their research.
Tips and techniques from a design pro for scoring the best vintage and antique
  shopping deals.
The pro basketball and hockey playoffs ended less than a month ago.
After the first talk, on the pro side, she had to leave.
Synonyms
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;