\ 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

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 The win represented Monson’s first national title and first win as a pro. San Diego Union-Tribune, 8 Jan. 2022 Wilson has shown that the last several weeks, and his performance against the Buccaneers might have been his best all-around game as a pro. Dennis Waszak Jr.,, 3 Jan. 2022 His final assist was just the cherry atop one of his best games as a pro. Omari Sankofa Ii, Detroit Free Press, 2 Jan. 2022 Ivan Castillo, who spent his first six years as a pro in Cleveland’s farm system before making his big-league debut with San Diego in 2021, has signed a minor-league deal with Kansas City. Paul Hoynes, cleveland, 11 Dec. 2021 The only thing that might keep Chicago hanging around is rookie quarterback Justin Fields, who is coming off his best game as a pro in a narrow loss to the Steelers. Baltimore Sun Staff,, 19 Nov. 2021 Since signing with the Rams in November 2020, the third-year pro has made 42 of 45 field-goal attempts. Los Angeles Times, 22 Dec. 2021 The third-year pro has had a slightly lower rating twice this season, and the Cardinals lost both games to the Rams and Green Bay. Larry Lage, ajc, 19 Dec. 2021 Previously, the third-year pro from Kutztown University in Pennsylvania had one carry for 4 yards for Jacksonville late last season. Mark Heim |, al, 19 Dec. 2021 Recent Examples on the Web: Adverb Junior defensive back Daxton Hill, a former five-star recruit, joined teammates Aidan Hutchinson and David Ojabo by voicing his intention to turn pro. Michael Cohen, Detroit Free Press, 7 Jan. 2022 Michigan outside linebacker David Ojabo announced his decision to turn pro. San Francisco Chronicle, 4 Jan. 2022 Before their first fight, Paul had access to plenty of videotape of Woodley, the former UFC champion who had 27 pro mixed martial arts fights. Josh Peter, USA TODAY, 18 Dec. 2021 From the San Jose Mercury News, the story on a Northern California teen turning pro. Eric Sondheimer Columnist, Los Angeles Times, 15 Nov. 2021 An attorney by trade, Barrie met many of her neighbors by taking on their immigration cases pro-bono or canvassing for at-large council member Will Jawando (D). Washington Post, 10 Nov. 2021 January 2010 - Announces his decision to skip his senior year at Florida and turn pro. CNN, 17 Nov. 2021 The first taker, Paul Cohen, is played to deadpan perfection by Tony Goldwyn, while Jon Bernthal is a standout as Rick Macci, the colorful trainer who helped Venus turn pro. Andrew Lawrence,, 2 Nov. 2021 Henderson also sounded like a player who plans to be turning pro next year and not playing in this rivalry again. Chris Solari, Detroit Free Press, 31 Oct. 2021 Recent Examples on the Web: Preposition That matched the second-highest finish by a Sun Devil, the other coming from current PGA pro Jon Rahm in 2016. Michelle Gardner, The Arizona Republic, 27 May 2021 Recent Examples on the Web: Noun or adjective The second-year pro tore his Achilles tendon shortly before training camp, but made an exceptionally quick recovery. Greg Beacham, ajc, 10 Jan. 2022 My cousin Kent, a ski pro who lives in Calgary, insists that Canmore, which is largely free of touristy kerfuffle, beats those more famous spots as a place to stay. Bert Archer, WSJ, 7 Jan. 2022 The rookie is coming off his best game (28 carries, 188 yards) as a pro on Monday night against the Cleveland Browns. Childs Walker,, 6 Jan. 2022 The 6-foot-3 Tyler Johnson, a 29-year-old eighth-year pro, has appeared in 351 career games, with 78 starts, for Miami, Phoenix, Brooklyn and Philadelphia. Tom Orsborn, San Antonio Express-News, 6 Jan. 2022 Entering this week, the second-year pro has been on the field for 49% of the defensive snaps, and the extended time Khalil Mack has missed has afforded Gipson more opportunities. Brad Biggs,, 3 Jan. 2022 During the 1970s, Randele worked as an assistant golf pro, giving lessons at a country club outside Boston and later becoming its manager. John Seewer And Jennifer Mcdermott, oregonlive, 2 Jan. 2022 Ed Brune, a tennis pro who helmed the Indianapolis Racquet Club for 52 years, died in April after suffering a health issue while on an evening bike ride. Johnny Magdaleno, The Indianapolis Star, 1 Jan. 2022 Almost everyone onstage is an old pro, with a very identifiable personal brand that verges on self-parody. Bethy Squires, Vulture, 1 Jan. 2022

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

Learn More About pro

Time Traveler for pro

Time Traveler

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

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Dictionary Entries Near pro




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Statistics for pro

Last Updated

11 Jan 2022

Cite this Entry

“Pro.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2022.

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More Definitions for pro



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

: in favor of something



English Language Learners Definition of pro (Entry 4 of 2)

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


\ 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.


noun or adjective

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

More from Merriam-Webster on pro

Thesaurus: All synonyms and antonyms for pro

Nglish: Translation of pro for Spanish Speakers

Britannica English: Translation of pro for Arabic Speakers


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