Adjective pro has 1 sense
- pro - in favor of (an action or proposal etc.); "a pro vote"
Antonyms: anti, opposed, opposing
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Adverbial pro has 1 sense
- pro - on the affirmative side
Antonyms: con, in opposition
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Noun pro has 2 senses
- professional, pro - an athlete who plays for pay
--1 is a kind of athlete, jock
--1 has particulars: free agent; semiprofessional, semipro
- pro - an argument in favor of a proposal
--2 is a kind of argument, statement
Antonyms: con
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