\ 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

Nathan Law, a former lawmaker and pro-democracy activist, said he was surprised by how quickly and widely opposition to the bill has grown, including from conservative-leaning religious organizations. The Washington Post, The Mercury News, "Hundreds of thousands in Hong Kong protest law to allow extraditions to China," 9 June 2019 In China, censorship of the internet was stepped up and tight security maintained around Tiananmen Square to prevent any attempt to commemorate the crushing of pro-democracy protests in the square on June 4th 1989. The Economist, "Politics this week," 8 June 2019 Mark CuthbertGetty Images Kate Middleton's a pro at dressing for royal events, especially for Trooping the Colour (she's been attending the festivities since 2011!). Marina Liao, Marie Claire, "Kate Middleton Opts for a Cheery Yellow Outfit at Trooping the Colour," 8 June 2019 DeReese is 7-0 as a pro (his Ultimate Fighter loss in 2016 was considered an exhibition) but last year’s fights were his first official bouts since 2015. Jay Reddick,, "Titusville’s Muhammed DeReese faces toughest MMA test on ESPN+," 4 June 2019 To sell the books, Lessem created a website,, where 10 percent of proceeds go to pro-democracy nonprofits. Helen Ubiñas,, "Why a Delaware County man dumped $25K into a tweeting Trump robot for the London protests | Helen Ubiñas," 4 June 2019 As a seasoned pro who's been to more of the chain's stores than most of us, maybe even all of us, Christine says her favorite store is in San Jose, California. Danielle Tullo, House Beautiful, "This Woman's Been To 40 HomeGoods Stores, And She Says This One's The Best," 19 July 2018 The tennis pro chose to wear a Nike catsuit for her match against Czechia’s Kristyna Pliskova, a compression garment that helped fight off the blood clots Williams was experiencing at the time, having recently given birth to her daughter, Alexis. Vogue, "Serena Williams’s Custom Off-White Outfit at the French Open Sent a Message," 27 May 2019 After the visit, the family continued on to Paris, where the pro will compete in the French Open. Natasha Reda, Glamour, "Serena Williams Paid a Secret Visit to Meet Meghan Markle's Baby Archie," 26 May 2019

Recent Examples on the Web: Adverb

Hovland is turning pro next week along with his teammate at Oklahoma State, Matthew Wolf. Washington Post, "Amateur Hovland hopes for more memories on return to Pebble," 11 June 2019 Foote plans on returning to Kelowna for a final year next season, when the Rockets host the 2020 Memorial Cup, before turning pro. Mike Chambers, The Denver Post, "Avalanche legend Adam Foote’s second son, Nolan, might be another NHL first-round draft pick," 11 June 2019 More: Kyle Guy is proving himself all over again and charging full-speed ahead into the NBA Draft On Guy: A key piece of Virginia’s title-winning team, Guy turned pro in hopes of furthering his development. Scott Horner, Indianapolis Star, "NBA Draft 2019: Pacers could show free agency plan with No. 18 draft pick," 6 June 2019 Servania played one season at Wake Forest and then turned pro. Joseph Goodman |,, "Alabama-born players represent future of U.S. Soccer," 3 June 2019 Turning pro right out of college – or even younger – is still not a common choice. Nancy Armour, USA TODAY, "Opinion: Americans Lindsey Horan, Mallory Pugh show there's more than one way to get to World Cup," 31 May 2019 Meanwhile, pro-Remain MPs fear a hardcore Brexiteer who would blow up any chance for a deal, and push the UK toward a catastrophic no-deal Brexit. Jen Kirby, Vox, "The no-confidence vote against Theresa May, explained," 12 Dec. 2018 Talk to their head pro, Yves Lacoste, about a lesson or a matchup with a local player. Corey Seymour, Vogue, "St. Barth’s Is Back—Here’s Where to Go," 30 Nov. 2018 The materials used for the fitness pieces has four-way stretch, protects you from harmful UV rays, and features EleVen pro-dri for quick-dry performance and breathability. Marina Liao, Marie Claire, "Your First Look at Venus Williams' "Morning Glory" Collection for EleVen," 28 Nov. 2018

Recent Examples on the Web: Noun or adjective

The sound of PGA Tour pros complaining about the U.S. Open course setup? Daniel Rapaport,, "Amid Recent U.S. Open Course Drama, USGA Got the Pebble Beach Setup Just Right," 15 June 2019 And the dominance of pro-choice progressives in state government would seem to enforce that idea. Jon Caldara, The Denver Post, "Caldara: Colorado is ready for a reasonable abortion debate," 14 June 2019 On Thursday, tensions had eased, though police physically prevented a group of pro-democracy lawmakers from completing a symbolic protest march toward Lam’s residence. Alexandra Stevenson,, "Hong Kong police face criticism over using force on protesters," 13 June 2019 One of the pros is that a song can go from obscurity to being a song that can become a hit through airplay and digital means like Spotify or SoundCloud or all of these streaming services. Cathy Applefeld Olson, Billboard, "Carole Bayer Sager Looks Back on Songwriting With Burt Bacharach, Marvin Hamlisch & Bob Dylan," 12 June 2019 The vigil calls for the release of all dissidents, rehabilitation of the 1989 pro-democracy movement, accountability for the massacre, the end of one-party dictatorship and the start of a democratic China. James Griffiths, CNN, "Mass protest in Hong Kong over law critics fear could allow China to snatch anyone," 8 June 2019 There would sometimes be 200 skaters there, a mix of pros, local heroes looking to get sponsored, and pilgrimage-making skaters from all over. Willy Blackmore, Curbed, "The public spaces that shaped skateboarding," 5 June 2019 Instead of just slapping on five creams — then washing your face because, seriously, that stuff is heavy — follow the lead of the pros. 1. Elizabeth Siegel, Allure, "How to Layer Your Skin-Care Products in the Correct Order," 15 Apr. 2019 In order to choose this year’s winners, Glamour's beauty editors and a panel of top makeup pros looked at every new blush, concealer, mascara, and lipstick and distilled them down to a list of the very best. Glamour, "Beauty Awards: The Best Drugstore Makeup Products of 2019," 25 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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Statistics for pro

Last Updated

16 Jun 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).


showing courage and determination

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