PRO meaning: Expert demonstrating high skill level

We found 56 dictionaries that define the word pro:

General (29 matching dictionaries)

pro: Longman Dictionary of Contemporary English
PRO, pro, pro-: Merriam-Webster
PRO, pro, pro, pro-: Oxford Learner's Dictionaries
PRO, pro, pro, pro-, pro-: American Heritage Dictionary of the English Language
pro, pro-: Collins English Dictionary
pro: Vocabulary.com
PRo, Pro, pro, pro-: Wordnik
pro, pro-: Cambridge Advanced Learner's Dictionary
PRO, Pro, -pro-, pro-: Wiktionary
pro, pro-: Webster's New World College Dictionary, 4th Ed.
pro, pro-: The Wordsmyth English Dictionary-Thesaurus
pro: Infoplease Dictionary
Pro-, p.r.o, pro, pro, pro-: Dictionary.com
pro, pro-: Online Etymology Dictionary
pro, pro-: Cambridge Essential American English Dictionary
PRO (linguistics), PRO, Pro-, Pro (disambiguation), Pro (rapper), Pro, The Pro (comics), .pro: Wikipedia, the Free Encyclopedia
Pro-, Pro: Online Plain Text English Dictionary
pro, pro-: Webster's Revised Unabridged, 1913 Edition
pro: Rhymezone
Pro-, Pro, pro: AllWords.com Multi-Lingual Dictionary
pro: Webster's 1828 Dictionary
pro, pro-: MyWord.info
PRO: Stammtisch Beau Fleuve Acronyms
pro, pro-: FreeDictionary.org
pro: The Phrontistery - A Dictionary of Obscure Words
pro: Mnemonic Dictionary
PRO, pro-: TheFreeDictionary.com

Art (2 matching dictionaries)

pro-: A Cross Reference of Latin and Greek Elements
PRO, Pro: Lexicon of Linguistics

Business (3 matching dictionaries)

MoneyGlossary.com (No longer online)
Bouvier's Law Dictionary 1856 Edition (No longer online)
Pro: Legal dictionary

Computing (2 matching dictionaries)

BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
.pro, pro: Encyclopedia

Medicine (7 matching dictionaries)

PRO: Merriam-Webster Medical Dictionary
Pro-, Pro: MedTerms.com Medical Dictionary
online medical dictionary (No longer online)
GASTROLAB Digestive Dictionary (No longer online)
Hepatitis C Information Central (No longer online)
Pro, pro-: Medical dictionary
Pro-, Pro: Drug Medical Dictionary

Miscellaneous (5 matching dictionaries)

PRO, PRO, PRO, pro, pro, pro: Terminology and Descriptions of Geneaological Words
PRO-, PRO: Acronym Finder
PRO: Three Letter Words with definitions
AbbreviationZ (No longer online)
pro: Idioms

Science (1 matching dictionary)

PRO: A Dictionary of Quaternary Acronyms and Abbreviations

Slang (3 matching dictionaries)

pro, pro, pro, pro: Green’s Dictionary of Slang
pro: English slang and colloquialisms used in the United Kingdom
pro: ESL Slang page

Sports (1 matching dictionary)

Glossary of Hiking Terms (No longer online)

Tech (3 matching dictionaries)

pro: Webster's New World Telecom Dictionary
PRO: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING
DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

(Note: See proing as well.)

Google, News, Images, Wikipedia, Reddit, BlueSky

Definitions from Wiktionary (

)

▸ noun:  An advantage of something, especially when contrasted with its disadvantages (cons).
▸ noun:  A person who supports a concept or principle.
▸ noun:  A professional sportsman.
▸ noun:  (colloquial) Professional.
▸ adjective:  Professional.
▸ noun:  (slang) A prostitute.
▸ noun:  (UK, slang, archaic) A proproctor.
▸ noun:  (slang, historical) A chemical prophylaxis taken after sex to avoid contracting venereal disease.
▸ noun:  A surname from Spanish.
▸ noun:  Initialism of pressure retarded osmosis.
▸ noun:  (medicine) Initialism of patient-reported outcome.