Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

pro

play
noun \ˈprō\

Definition of pro

plural pros

  1. 1 :  an argument or evidence in affirmation <an appraisal of the pros and cons>

  2. 2 :  the affirmative side or one holding it



Examples of pro

  1. He is a pro when it comes to household repairs.

  2. She handled that tricky situation like an old pro.



Origin of pro

Middle English, from Latin, preposition, for — more at for


First Known Use: 15th century

Rhymes with pro


2

pro

adverb

Simple Definition of pro

  • : in favor of something

Full Definition of pro

  1. :  on the affirmative side :  in affirmation <much has been written pro and con>

Origin of pro

pro-


First Known Use: 15th century


3

pro

preposition

Definition of pro

  1. :  in favor of :  for



Origin of pro

Latin


First Known Use: 1817


4

pro

noun or adjective

Simple Definition of pro

  • : paid to participate in a sport or activity

  • : done by people who are paid to play or compete in a sport or activity

Full Definition of pro

1866

First Known Use of pro

1866


PRO

abbreviation

Definition of PRO

  1. public relations officer




1

pro-

prefix

Definition of pro-

  1. 1 a :  earlier than :  prior to :  before <prothalamion> b :  rudimentary :  prot- <pronucleus> c :  precursory <proinsulin>

  2. 2 a :  located in front of or at the front of :  anterior to <procephalic> b :  front :  anterior <prothorax>

  3. 3 :  projecting <prognathous>



Origin of pro-

New Latin, from Latin, from Greek, before, forward, forth, for, from pro — more at for


2

pro-

prefix

Definition of pro-

  1. 1 :  taking the place of :  substituting for <procathedral> <procaine>

  2. 2 :  favoring :  supporting :  championing <pro-American>



Origin of pro-

Latin pro in front of, before, for, forward — more at for



Learn More about pro


Seen and Heard

What made you want to look up pro? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 2.2 pounds 16.96 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ