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 in a Sentence

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

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

Origin and Etymology of pro

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


First Known Use: 15th century


2

pro

adverb

Definition of pro

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

Origin and Etymology of pro

pro-


First Known Use: 15th century


3

pro

preposition

Definition of pro

  1. :  in favor of :  for

Origin and Etymology of pro

Latin


First Known Use: 1817


4

pro

noun or adjective

Definition of pro

1856

First Known Use of pro

1856


PRO

abbreviation

Definition of PRO

  1. public relations officer


1

pro-

prefix

Definition of pro-

  1. 1a :  earlier than :  prior to :  before prothalamionb :  rudimentary :  prot- pronucleusc :  precursory proinsulin

  2. 2a :  located in front of or at the front of :  anterior to procephalicb :  front :  anterior prothorax

  3. 3 :  projecting prognathous

Origin and Etymology 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 and Etymology of pro-

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



PRO Defined for English Language Learners

2

pro

adverb

Definition of pro for English Language Learners

  • : in favor of something

4

pro

noun or adjective

Definition of pro for English Language Learners

  • : paid to participate in a sport or activity

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


PRO Defined for Kids

1

pro

play
noun \ˈprō\

Definition of pro for Students

plural

pros

  1. :  an argument or evidence in favor of something We weighed the pros and cons of wind power.


2

pro

play
adverb

Definition of pro for Students

  1. :  in favor of something We heard arguments pro and con.


3

pro

play
noun or adjective

Definition of pro for Students

  1. :  professional pro athletes He sank the putt like a pro.


pro-

prefix

Definition of pro- for Students

  1. :  approving :  in favor of


Medical Dictionary

Pro

abbreviation

Medical Definition of Pro

  1. proline; prolyl


PRO

abbreviation

Medical Definition of PRO

  1. peer review organization



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).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

an exhausted condition

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Dictionary Devil

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!