1

pro

noun \ ˈprō \
Updated on: 11 Dec 2017

Definition of pro

plural pros
1 : an argument or evidence in affirmation
  • an appraisal of the pros and cons
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.

Recent Examples of pro from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pro.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pro

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


2

pro

adverb

Definition of pro

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

Recent Examples of pro from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pro.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pro

pro-


3

pro

preposition

Definition of pro

: in favor of : for

Origin and Etymology of pro

Latin


4

pro

noun or adjective

Definition of pro

Recent Examples of pro from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pro.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pro

1856


PRO

abbreviation

Definition of PRO

public relations officer

1

pro-

prefix

Definition of pro-

1 a : earlier than : prior to : before
  • prothalamion
b : rudimentary : prot-
  • pronucleus
c : precursory
  • proinsulin
2 a : located in front of or at the front of : anterior to
  • procephalic
b : front : anterior
  • prothorax
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 : taking the place of : substituting for
  • procathedral
  • procaine
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

pro

adverb

Definition of pro for English Language Learners

  • : in favor of something


pro

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

noun \ ˈprō \

Definition of pro for Students

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

2

pro

adverb

Definition of pro for Students

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

3

pro

noun or adjective

Definition of pro for Students

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

pro-

prefix

Definition of pro- for Students

: approving : in favor of

Medical Dictionary

Pro

abbreviation

medical Definition of Pro

proline; prolyl

PRO

abbreviation

medical Definition of PRO

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

allowing a liquid or gas to pass through

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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!