\ 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


prefix (1)

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


prefix (2)

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


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

The lawsuit, filed late Friday, comes amid an unusual battle unfolding behind the scenes at the NRA’s 76-member board, which some say pits a small group of pro-Ackerman McQueen directors against other board members and an outside NRA attorney. ... Mark Maremont, WSJ, "NRA Files Suit Against Ad Agency in Rift With Key Partner," 15 Apr. 2019 Our Textiles Lab pros always recommend opting for knits and stretchy fabrics (like these Amazon Essentials t-shirts made with spandex). Nicole Saporita, Good Housekeeping, "14 Genius Packing Tips to Help You Travel Like a Pro," 9 Apr. 2019 In addition to being a pro at churning out chart-topping bangers, Troye Sivan happens to be very skilled at the elusive no makeup–makeup look. Leah Prinzivalli, Allure, "Troye Sivan Shared His No-Makeup Makeup Routine in a Video for Vogue," 15 Oct. 2018 This apprehension has since faded: López’s program is now widely embraced in the climbing community, and many pros have used her approach in their training. Ula Chrobak, Outside Online, "Climber Eva López Has a PhD in Finger Strength," 9 July 2018 That pretty much sums up the pros and cons of removing your IUD early. Korin Miller, SELF, "When Is It OK to Get Your IUD Removed?," 12 Mar. 2019 Going forward, a nominating committee that’s already been named by the pro-Trump state central committee will control part of the delegate selection process. Zeke Miller, The Seattle Times, "Trump campaign takes steps to prevent a challenge within GOP," 4 Feb. 2019 Particularly Russian hackers, reports Ben Collins: Reddit users last week were able to trace links posted to a pro-Trump community back to a Russian propaganda website that shares web infrastructure with the Kremlin’s Internet Research Agency (IRA). Casey Newton, The Verge, "Why the WhatsApp acquisition ended with everyone mad at each other," 27 Sep. 2018 The pros: Missouri (34-22) has 14 wins against RPI top-50 teams, the second-most nationally. Alex Schiffer, kansascity, "Where do Missouri baseball's NCAA Tournament odds stand after South Carolina loss? | The Kansas City Star," 23 May 2018

Recent Examples on the Web: Adverb

Most young athletes won’t go on to play college sports, and even fewer will turn pro. Brittney Mcnamara, Teen Vogue, "U.S. Soccer's Mallory Pugh on Age, Confidence, and Staying in the Game," 15 Mar. 2019 In another report from northern Sari Pul province, provincial police chief Gen. Abdul Qayum Baqizai said that Taliban attacked checkpoints of the army and pro-government militia near the provincial capital, Sari Pul city. Rahim Faiez And Amir Shah, Fox News, "Taliban attack Afghan security forces in north, killing 37," 10 Sep. 2018 There are also rules: residents must present an ID card to pass through the barricades and looting is prohibited, although townspeople said pro-government gangs had ransacked some of the stores. Kyra Gurney, miamiherald, "Nicaragua's revolutionary town now a war zone defended by teenagers armed with rocks," 7 June 2018 The segment suggested that Garcia was being pro-Trump. Niraj Warikoo, Detroit Free Press, "Deported Mich. man's wife: Conservative media distorted Trump remarks," 7 June 2018 Originally, the Jones Cup was a two-person per club tournament, consisting of the head pro and the men’s club champion. Andrew Turner,, "Joseph Winkelmann built the Jones Cup to last," 27 June 2018 When pro-Trump hecklers began harassing him at various points during the rally, Obama seemed to relish the opportunity to respond. Zeeshan Aleem, Vox, "Obama tends to hold back. But he’s getting aggressive for the midterms.," 3 Nov. 2018 The ban on the National Party has prompted some pro-Beijing voices to call for more moderate pro-democracy parties, such as one founded by Joshua Wong, a student leader of mass pro-democracy protests in 2014, to be banned next. Natasha Khan, WSJ, "Hong Kong Ousts Western Journalist in Free-Speech Dispute," 5 Oct. 2018 And while the new mom didn't divulge any details of her friendship with the Duchess of Sussex or address the sweatshirt's origins during her onscreen appearance, Ruhle later revealed that the tennis pro had sent the hoodie to Markle. Andrea Park, Glamour, "It Sure Seems Like Serena Williams' "Royal Duchess" Hoodie Was Inspired by Meghan Markle," 24 Aug. 2018

Recent Examples on the Web: Noun or adjective

The only way to remove eyelashes is with a pro—seriously. Katheryn Erickson, Glamour, "Your Everything Guide to Eyelash Extensions," 28 Mar. 2019 Unfortunately, basically everything with some pros has its cons, too. Korin Miller, SELF, "How to Stop Your Period With Birth Control," 16 Jan. 2019 For ideas, look to the pros: early Alpine mountaineers. Vogue, "Day 12: Embrace the Cold," 12 Nov. 2018 The new Paperwhite is still a Paperwhite, with all the pros and cons that come with it. Chaim Gartenberg, The Verge, "Amazon Kindle Paperwhite (2018) review: the new best-seller," 7 Nov. 2018 Mutreb also was identified in state and pro-government media reports. Suzan Fraser, Fox News, "Man linked to Saudi prince at consulate when writer vanished," 18 Oct. 2018 The country has been embroiled in a civil war since 2013 between pro-government and rebel factions drawn along ethnic lines. Abigail Higgins, Vox, "The World Bank and tech companies want to use AI to predict famine," 29 Sep. 2018 Ahmed al-Kawkabani, a Yemeni who leads a pro-government militia known as the Tohama Brigade, told The Associated Press that his forces were positioned in Dawar al-Hodeida, just 2 kilometers (1.2 miles) from the airport. Ahmed Al-haj,, "Fighting intensifies outside Yemen's Hodeida airport as death toll reaches 280," 15 June 2018 That pretty much sums up the pros and cons of removing your IUD early. Korin Miller, SELF, "When Is It OK to Get Your IUD Removed?," 12 Mar. 2019

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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Dictionary Entries near pro

Pr Man







Statistics for pro

Last Updated

21 Apr 2019

Look-up Popularity

Time Traveler for pro

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

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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

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

Comments on pro

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


an act or instance of returning to life

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