\ ˈprō \
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

While the impact of technology on teens has its pros and cons in terms of social media bullying and video game violence, the educational and social benefits for those on the autism spectrum are unprecedented. Lindsay Carlton, Fox News, "Teens with autism learn to code, design apps," 12 July 2018 In making a list of the pros and cons of shooting Forecastle, there is only really one con. Scott Utterback, The Courier-Journal, "From great performances to the weird, Forecastle is a photographer's delight," 10 July 2018 Find out what’s legal around you, or heed the advice of Seattle police and leave the pyrotechnics to the pros. Morning Brief, The Seattle Times, "Your Fourth of July guide | Wednesday Morning Brief, July 4," 4 July 2018 Our board, coaches and staff are continuing to serve more than 1,200 players and their families with a path to the pros for both boys and girls. Zachary Hansen, ajc, "Police: Roswell man stole $30,000 from youth soccer nonprofit in Milton," 30 June 2018 There have been dozens of players of Polynesian descent make it to the pros, including players such as longtime Steelers safety Troy Polamalu and linebacker Rey Maualuga. Drew Davison, star-telegram, "This 'mama's boy' may have the best name on the Dallas Cowboys roster," 27 June 2018 Firepits can be designed to burn wood, natural gas, propane or ethanol, and each type has pros and cons. Tim Mckeough, sacbee, "Shopping tips for firepits," 22 June 2018 WGN 9 first shared the announcement on its Facebook page Thursday, and dozens of commenters have been weighing in on the pros and cons. Kaitlyn Schwers, kansascity, "In Chicago, people are buying vacant lots from the city for $1. Here's how it works | The Kansas City Star," 18 May 2018 Below are some pros and cons to those beliefs of going-it-on-your-own versus listing with a real estate agent. Melissa Rolland,, "Looking At For Sale By Owner Sales," 15 May 2018

Recent Examples on the Web: Adverb

The Trump administration this spring tried to remove pro-breastfeeding language from a World Health Organization resolution. Rebecca Beitsch, The Christian Science Monitor, "All US states now allow breastfeeding in public," 13 July 2018 In 1959, protesters in East Berlin chanted his name during anti-Soviet, pro-West demonstrations. Gary Thompson,, "'The King' goes on the road looking for Elvis and America, and hits a dead-end," 11 July 2018 Trump campaigned on a vow to tap pro-life judges for the Supreme Court. Celeste Katz, Glamour, "What Brett Kavanaugh's Supreme Court Nomination Could Mean for Your Abortion Rights," 9 July 2018 After advancing to the fourth round at Wimbledon, the tennis pro sat for a press conference., "Serena Williams Is The Best At Literally Everything & She Knows It," 8 July 2018 The 14th-round pick, who chose to forego his senior season at UF to turn pro, is slated to begin his minor league career in the Florida State League with the Daytona Tortugas. Roy Parry,, "UF's Jonathan India, Michael Byrne sign with Cincinnati Reds," 4 July 2018 In a sport where prodigies are often discovered at 13 and top NBA prospects typically turn pro after a single college season, Graham’s path to the pros was different. Rick Bonnell, charlotteobserver, "Why Hornets rookie Devonte Graham welcomes, isn't rattled by NBA's complex strategies," 4 July 2018 And when was the last time a touring pro hit a 4-wood into the green on a par-4 hole? Gary D'amato, Milwaukee Journal Sentinel, "D'Amato: Can a golfer with limited power still win the U.S. Open?," 9 June 2018 On Monday, thousands participated in the man’s funeral while chanting pro-rebel slogans and demanding an end to Indian rule over Kashmir. Aijaz Hussain, The Seattle Times, "Rebels, Indian forces fight in disputed Kashmir; 2 killed," 28 May 2018

Recent Examples on the Web: Noun or adjective

Suddenly, loss aversion may work in a pro-trade direction. Neil Irwin, New York Times, "Two Words That Could Shape the Politics of the Trade War: Loss Aversion," 13 July 2018 This seems reasonable for players expected to be perennial all-pros but still lacking pro experience. Nate Davis, USA TODAY, "'Madden NFL 19' player ratings: 9 head-turning observations include slight to Eli Manning," 12 July 2018 This is your ultimate checklist for what to pack, but also be sure to check out Teen Vogue’s Back to School Awards for specific brands and products picked by the pros. Kate Dwyer, Teen Vogue, "What To Bring To College: 97 Things Every Freshman Needs on Their Packing List," 12 July 2018 Blessedly there were no fisticuffs, just 3 1/2 hours of alternating pro-soccer and pro-golf speakers taking the open mic -- democracy in action! Greg Cote, miamiherald, "David Beckham confronts his biggest fight yet to (finally) bring MLS soccer to Miami," 12 July 2018 The program is highly recommended to youngsters and proven to help pros alike. Alvaro Montano, Houston Chronicle, "Planet Hockey offers young players chance to improve skill set at Willowbrook camp," 11 July 2018 In exchange for Abdul-Jabbar and Walt Wesley, Milwaukee got Junior Bridgeman, Brian Winters, Elmore Smith and Dave Meyers, all solid pros. Jack Mccallum,, "Go West, Big Man: The Logo on LeBron James and the Allure of Los Angeles," 11 July 2018 The pros also didn’t get slower on their bikes after a mental fatigue session, unlike the amateurs. Alex Hutchinson, Outside Online, "Here’s What We Know About Mental Fatigue," 10 July 2018 Moon’s ruling party and liberal activists said the document virtually targeted anti-Park protesters, who greatly outnumbered the pro-Park camp. Hyung-jin Kim, The Seattle Times, "South Korea to probe military plan to quell Park protests," 10 July 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







Phrases Related to pro

pro and con

pros and cons

the pros

turn pro

Statistics for pro

Last Updated

22 Sep 2018

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 \
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

See 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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