pro

1
[ proh ]
/ proʊ /

adverb

in favor of a proposition, opinion, etc.

noun, plural pros.

a proponent of an issue; a person who upholds the affirmative in a debate.
an argument, consideration, vote, etc., for something.
Compare con1.

Origin of pro

1
1350–1400; Middle English < Latin prō (prep) in favor of, for; akin to per-, Greek pró, Sanskrit pra

Definition for pro (2 of 8)

pro 2
[ proh ]
/ proʊ /
Informal.

adjective

noun, plural pros.

a professional.
the pros, the professional athletic leagues, as of football, baseball, or basketball: He's sure to be signed by the pros.

Origin of pro

2
First recorded in 1840–50; shortened form

Definition for pro (3 of 8)

pro 3
[ proh ]
/ proʊ /

noun, plural pros. Slang.

Origin of pro

3
shortened form

Definition for pro (4 of 8)

pro 4
[ proh; English proh ]
/ proʊ; English proʊ /

preposition Latin.

for.

Definition for pro (5 of 8)

Pro

Biochemistry.

Definition for pro (6 of 8)

PRO

or P.R.O.


public relations officer.

Definition for pro (7 of 8)

pro- 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.
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 of pro-

1
< Latin prō-, pro-, combining form representing prō pro1

Definition for pro (8 of 8)

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 of pro-

2
< Greek, combining form of pró for, before; see pro1

Example sentences from the Web for pro

British Dictionary definitions for pro (1 of 5)

pro 1
/ (prəʊ) /

adverb

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

preposition

in favour of

noun plural pros

(usually plural) an argument or vote in favour of a proposal or motion See also pros and cons
(usually plural) a person who votes in favour of a proposal, motion, etc
See con 2

Word Origin for pro

from Latin prō (prep) in favour of

British Dictionary definitions for pro (2 of 5)

pro 2
/ (prəʊ) /

noun plural pros

informal short for professional
slang a prostitute

the internet domain name for

professional practitioner

adjective

informal short for professional

Word Origin for pro

C19: by shortening

British Dictionary definitions for pro (3 of 5)

PRO

abbreviation for

Public Records Office
public relations officer

British Dictionary definitions for pro (4 of 5)

pro- 1

prefix

in favour of; supporting pro-Chinese
acting as a substitute for proconsul; pronoun

Word Origin for pro-

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)

British Dictionary definitions for pro (5 of 5)

pro- 2

prefix

before in time or position; anterior; forward prophase; procephalic; prognathous

Word Origin for pro-

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

Medical definitions for pro (1 of 2)

Pro

abbr.

proline

Medical definitions for pro (2 of 2)

pro-

pref.

Earlier; before; prior to:progenitor.
Rudimentary:pronucleus.
Anterior; in front of:procephalic.