pro

¹

[proh]

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

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

³

[proh]

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-

⁴

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

⁵

[proh]

noun

Slang.

plural

pros 

1. prophylactic.

pro

⁶

[proh]

preposition

Latin.

1. for.

Pro

⁷

abbreviation

Biochemistry.

1. proline.

PRO

⁸

Or P.R.O.

1. public relations officer.

pro

¹

/ prəʊ /

adverb

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

preposition

1. in favour of

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

pro

²

/ prəʊ /

noun

1. informal,  short for professional

2. slang,  a prostitute

abbreviation

1. professional practitioner

adjective

1. informal,  short for professional

PRO

³

abbreviation

1. Public Records Office

2. public relations officer

pro-

⁴

prefix

1. in favour of; supporting

   pro-Chinese

2. acting as a substitute for

   proconsul

   pronoun

pro-

⁵

prefix

1. before in time or position; anterior; forward

   prophase

   procephalic

   prognathous

Word History and Origins

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

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

Origin of pro³

First recorded in 1840–50; by shortening

Origin of pro⁴

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

Origin of pro⁵

First recorded in 1945–50; by shortening

Word History and Origins

Origin of pro¹

from Latin prō (prep) in favour of

Origin of pro²

C19: by shortening

Origin of pro³

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 )

Origin of pro⁴

from Greek pro (prep) before (in time, position, rank, etc)

Example Sentences

Cameron, who has won 21 of her 22 professional fights since turning pro in 2017, handed Taylor her first career defeat in May 2023 to become undisputed champion, before losing the rematch six months later.

From BBC

He said fixed penalty notices - which are already used for things such as dog fouling or illegal parking - had pros and cons.

From BBC

Better still, take some time to educate yourself on the pros and cons of the question facing California, then make an informed decision.

From Los Angeles Times

Dr Tempest, a consultant gynaecologist at the University of Liverpool, spoke to Radio 4's Sliced Bread about how each product works and the pros and cons to help you decide which might suit you best.

From BBC

The Europeans, whose rain suits stayed sealed, were led by longtime tour pro Colin Montgomerie, a great player who never won a major and who many feel was the model for the Pillsbury Dough Boy.

From Los Angeles Times

Related Words

• ace 
• expert 
• professional