\ 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

Policy pros can rarely force rank the individual efficacy of monetary, fiscal, trade and regulatory policy.... WSJ, "Notable & Quotable: Kevin Warsh on Federal Reserve Independence," 12 May 2019 Blood, reborn And speaking of the red stuff, Monolith’s 1997 shooter Blood received a $10 remaster this week courtesy of resurrection pros Nightdive Studios. Hayden Dingman, PCWorld, "This week in games: John Wick tactics, a Blood remaster, and a survival-focused Ghost Recon," 10 May 2019 Nail pro Tom Bachik prepped Jennifer Lopez's epic talons with a coat of white varnish—snapping a pic with Lopez's latest left hand addition naturally in tow. Jenna Rennert, Vogue, "How Gisele, Jennifer Lopez, and More Got Ready For the Met Gala on Instagram," 7 May 2019 One of the rules of the Cross Battles is that each coach has one save and one steal to use over the two-week span, so it was assumed that the pros would dole them out somewhat equally over time. Jennifer Aldrich, Country Living, "'The Voice' Contestants Might Be in Trouble Next Week—Here's Why," 17 Apr. 2019 The tennis pro, entrepreneur, and friend to Meghan Markle is no stranger to starting her own company—or, for that matter, fully embracing disruptions to a traditional industry. Katherine J. Igoe, Marie Claire, "Serena Williams Has Secretly Been Investing in Diverse Companies for the Past 5 Years," 17 Apr. 2019 For quality pros, free agency used to be an interchange between multi-year deals. Rob Mahoney,, "NBA Free Agency: The Thought Behind the One-Year Deal Trend," 12 July 2018 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

Recent Examples on the Web: Adverb

Trump had drawn a few anomalously pro-Russian advisers into his inner circle, but by early 2017, Manafort had been disgraced and Flynn forced to resign, and Page had no chance of being confirmed for any Cabinet position. Jonathan Chait, Daily Intelligencer, "Will Trump Be Meeting With His Counterpart — Or His Handler?," 8 July 2018 Eleven of the individuals are Ukrainian pro-Russian separatists, the Treasury Department said., "Honda, Bombardier vs. Boeing and Blue Bell in today's business news," 26 Jan. 2018 Neither Euromaidan [the revolt that toppled pro-Russian President Viktor Yanukovych] nor a war with 10,000 deaths managed to bring Ukraine’s elite to abandon its criminal, corrupt ways. Newsweek, "Russia's Ukrainian Retreat," 8 June 2015 Protesters, chanting pro-rebel slogans and demanding the end of Indian rule in Kashmir, blocked a major highway and fought pitched battles with government forces. Aijaz Hussain, The Christian Science Monitor, "India takes control of Kashmir territory," 25 June 2018 To help combat the summer heat and exhaustion that came with chasing pro-golfers around the tournament, Travelers introduced a fan venue. Shawn Mcfarland,, "From Food To Fan-Friendliness, Here's What's New At the 2018 Travelers Championship," 19 June 2018 For decades, City Hall has been run by moderates pushing pro-business interests, who cleared a path for tech’s insatiable growth. Nitasha Tiku, WIRED, "How Tech Shaped San Francisco’s Unresolved Mayor’s Race," 11 June 2018 The prime minister was outnumbered at a meeting of her inner cabinet on May 2 as pro-Brexit ministers demanded a clean break from the European Union customs regime, dismissing her plea for a compromise solution. Andrew Atkinson,, "Tory Tensions Flare as Brexit Moderates Push Customs Compromise," 6 May 2018 Most of Aghdam's videos featured low production values and showed her dancing, singing and sharing pro-vegan and animal rights messages. City News Service, Pomerado News, "Warrant served at 4S Ranch residence of YouTube shooter," 4 Apr. 2018

Recent Examples on the Web: Noun or adjective

The questions were similar to those asked of Facebook founder Mark Zuckerberg in April, when multiple Republican lawmakers used their time with Zuckerberg to talk about Diamond and Silk, the pro-Trump vloggers. Abby Ohlheiser, The Seattle Times, "A short investigation into Trump’s tweets on Google results about himself," 28 Aug. 2018 Joining us now with more is Tori Whiting of the Heritage Foundation along with Eric Beach, co-chair of the pro-Trump Great America PAC. Fox News, "Tom Fitton: FBI looked for excuses to target Trump's team," 7 July 2018 Her conspiracy rhetoric has merely echoed the messages of the pro-Trump media ecosystem. Spencer Kornhaber, The Atlantic, "The Roseanne Fantasy Is Over," 30 May 2018 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

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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Learn More about pro

Dictionary Entries near pro

Pr Man







Statistics for pro

Last Updated

19 May 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

Thesaurus: All synonyms and antonyms for 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).


a sum of money that is sent as a payment

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