\ ˈprō How to pronounce pro (audio) \
plural pros

Definition of pro

 (Entry 1 of 7)

1 : an argument or evidence in affirmation an appraisal of the pros and cons
2 : the affirmative side or one holding it



Definition of pro (Entry 2 of 7)

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

Definition of pro (Entry 3 of 7)

: in favor of : for

Definition of pro (Entry 4 of 7)

Definition of PRO (Entry 5 of 7)

public relations officer

Definition of pro- (Entry 6 of 7)

1a : earlier than : prior to : before prothalamion
b : rudimentary : prot- pronucleus
c : precursory proinsulin
2a : located in front of or at the front of : anterior to procephalic
b : front : anterior prothorax
3 : projecting prognathous

Definition of pro- (Entry 7 of 7)

1 : taking the place of : substituting for procathedral procaine
2 : favoring : supporting : championing pro-American

Examples of pro in a Sentence

Noun He is a pro when it comes to household repairs. She handled that tricky situation like an old pro.
Recent Examples on the Web: Noun On Wednesday, with the outcome of the Iowa caucuses still in doubt, Kimberly Peeler-Allen, a Bloomberg staff member, emailed the Committee for Mike email list to ask recipients to forward a pro-Bloomberg message to their contact lists. Alexander Burns, New York Times, "Bloomberg Pursues Wealthy Donors, but Not Their Checkbooks," 6 Feb. 2020 Meanwhile, cop Renee Montoya (Rosie Perez), a pro who’s caught tons of baddies but who always sees credit for those deeds go to her male co-workers, is also after Harley. Stephanie Zacharek, Time, "Birds of Prey Is a Candy-Colored Joy Ride, But Its Pleasures Ring Hollow," 5 Feb. 2020 One of Utah's main newspapers, The Salt Lake Tribune, is out with a pro-Romney editorial. Brian Stelter, CNN, "Right-wing media condemn Mitt Romney after GOP senator casts vote to convict Trump," 5 Feb. 2020 Weiss and Fife say the biggest hurdle for all of us — beauty pros included — is typically space; most of us just don’t have enough of it, particularly in our bathrooms. Elizabeth Mayhew, Washington Post, "How beauty pros (and their organizers) corral all those products," 5 Feb. 2020 The first day, I was paired with Peter, a congenial pro with Aspen Snowmass’s ski school. Jill Gleeson, Woman's Day, "How A Ski Trip Helped Me Grieve The Loss of My Mom," 2 Feb. 2020 And the home did have its pros: a wraparound balcony, three-bedroom footprint, and ideal location right in town. Emma Bazilian, House Beautiful, "Inside the "Cheap and Cheerful" Makeover That Transformed Danielle Rollins' Apartment," 31 Jan. 2020 All this delighted his pro-Israel supporters back home, but enraged Palestinians. The Economist, "Dead on arrival Donald Trump’s one-sided peace plan," 30 Jan. 2020 With Aldridge out Monday, fourth-year pro Jakob Poeltl started at center. Jeff Mcdonald,, "Spurs Notebook Thumb sprain sidelines LaMarcus Aldridge," 27 Jan. 2020 Recent Examples on the Web: Adverb Fox News' Chris Wallace is once again calling out pro-Trump spin on the network, even slamming one contributor on air in a tense exchange. TheWeek, "Fox News' Chris Wallace calls out Trump supporters for 'spinning' Bolton news 'like crazy'," 27 Jan. 2020 The mass detention of Muslim Uyghurs has drawn condemnation from the international community, while pro-democracy protests in Hong Kong have undermined Beijing’s rule in the semiautonomous region. Daniel Tenreiro, National Review, "Taiwan’s Election Rebuked Xi Jinping," 23 Jan. 2020 Ostrander went pro soon after her third steeplechase championship last spring and — to the surprise of no one in Alaska — made the U.S. world team by placing fourth at the national championships. Beth Bragg, Anchorage Daily News, "Counting down the top Alaska sports stories of the decade: Part 2," 27 Dec. 2019 Meanwhile, Republicans' top issue in ads in 2019 was pro-Trump messaging, followed by health care with 71,136 mentions. Caitlin Conant, CBS News, "2020 Daily Trail Markers: Democrats sound alarm as courts target ACA," 19 Dec. 2019 In January, the actor told police that he was beaten by two men in a hate crime, claiming they who looped a noose around his neck and shouted pro-Trump comments at him. Rania Aniftos, Billboard, "Jussie Smollett Could Return for 'Empire' Final Season," 18 Dec. 2019 Duarte's plan when Linda started boxing two years ago was to work her way back up and try to go pro. Dana Hunsinger Benbow, Indianapolis Star, "She was Indy's best female boxer; now her daughter, 10, with spina bifida is a boxer, too," 12 Dec. 2019 Jake Fromm came into the season projected as a high NFL draft pick who would likely go pro after his junior season. Paul Newberry,, "LSU routs Georgia, 37-10, in SEC title game as Joe Burrow makes final Heisman statement," 7 Dec. 2019 That experience allowed her to see another part of the world, face stiff competition against a number of players who were set to go pro after the tournament, learn a bit more about setting and, most importantly in her mind, grow as a leader. Jace Frederick, Twin Cities, "Pioneer Press East Metro volleyball player of the year: Eagan’s Kennedi Orr," 6 Nov. 2019 Recent Examples on the Web: Noun or adjective Liotta masterfully plays opposite the equally brilliant Laura Dern in one of the most brutally awkward court scenes in recent memory that’s anything but for the seasoned and ruthless pros leading the way. Ben Flanagan |, al, "Forget the Oscars! Our favorite movie performances of 2019," 7 Feb. 2020 Those things remain an issue for modern tour pros; only six of the top 30 players in the world ranking are in this week’s field. Ron Kroichick,, "Davis Love III on Tiger Woods: ‘The guy has a checklist and it’s not done yet’," 4 Feb. 2020 Jodi Millspaugh, 35, an office manager at a logging company in Elk, Washington, typically steers clear of the pro-Trump comments of several male co-workers at the 10-employee firm. Paul Davidson, USA TODAY, "Iowa Caucus: Americans don't like political talk at work but do it anyway, threatening relationships," 4 Feb. 2020 On the other end of the political spectrum, Joy Villa and Ricky Rebel expressed their pro-Trump politics with their awards show looks. Hilary Hughes, Billboard, "Politics on the 2020 Grammys Red Carpet: Joy Villa Wears Yet Another Trump Dress & More," 26 Jan. 2020 The deadline for underclassmen to declare for the NFL draft is Friday, but the TCU Horned Frogs know for the most part who’s staying in Fort Worth and who’s leaving for the pros. Grant Mcgalliard, Dallas News, "NFL draft status update: See where TCU prospects like Jalen Reagor, Lucas Niang are being projected," 15 Jan. 2020 In the run-up to the 2016 U.S. elections, Russian hackers penetrated state voter-registration databases, and Russia's Internet Research Agency targeted millions of social media users with pro-Trump propaganda posts and ads. Wade Roush, Scientific American, "Truly Secure Voting Is on the Way," 13 Jan. 2020 After a 2019 offseason in which several longtime ACC standouts left for the pros along with the league's usual group of one-and-done freshmen, he's noticed a change at the dawn of the new decade. Lucas Aulbach, The Courier-Journal, "Is ACC basketball down this season? Well, conference coaches say, it's complicated," 9 Jan. 2020 The decision should surprise no one as UW officials expected Taylor to leave for the pros. Jeff Potrykus, Milwaukee Journal Sentinel, "UW tailback Jonathan Taylor ends any doubt; he'll forgo his senior season and enter the NFL draft," 3 Jan. 2020

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.

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First Known Use of pro


15th century, in the meaning defined at sense 1


15th century, in the meaning defined above


1817, in the meaning defined above

Noun or adjective

1856, in the meaning defined above

History and Etymology for pro


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





Prefix (1)

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

Prefix (2)

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

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Time Traveler for pro

Time Traveler

The first known use of pro was in the 15th century

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Statistics for pro

Last Updated

10 Feb 2020

Cite this Entry

“Pro.” Dictionary, Merriam-Webster, Accessed 20 Feb. 2020.

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More Definitions for pro



English Language Learners Definition of pro

 (Entry 1 of 2)

: in favor of something

English Language Learners Definition of pro (Entry 2 of 2)

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


\ ˈprō How to pronounce pro (audio) \
plural pros

Kids Definition of pro

 (Entry 1 of 4)

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



Kids Definition of pro (Entry 2 of 4)

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

Kids Definition of pro (Entry 3 of 4)

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



Kids Definition of pro-

: approving : in favor of

Medical Definition of Pro

 (Entry 1 of 2)

proline; prolyl

Medical Definition of PRO (Entry 2 of 2)

peer review organization

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More from Merriam-Webster on pro

Thesaurus: All synonyms and antonyms for pro

Rhyming Dictionary: Words that rhyme with pro

Spanish Central: Translation of pro

Nglish: Translation of pro for Spanish Speakers

Britannica English: Translation of pro for Arabic Speakers

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