プロpuro

1. no-adjectiveprofessional; pro
2. nounprogram
3. nounproduction
4. nounproletarian; proletariat
5. nounpropaganda

• Synonym本職ほんしょくNeutralOne's main or original occupation; by extension an expert who does it for a living, as in 「本職の大工」. Stresses that it is one's principal line of work.
• SynonymスペシャリストNeutralAn expert in a specific field, stressing specialized expertise; 「プロ」 stresses doing it for a living and a high level of skill.
• AntonymアマCasualColloquial abbreviation of 「アマチュア」 for an amateur, the opposite of 「プロ」, as in 「アマの大会」.
• AntonymアマチュアNeutralSomeone who pursues a skill as a hobby rather than a profession; the opposite of 「プロ」, as in 「アマチュア選手」.

Use 「プロ」 for someone who does something professionally at a high level. 「本職」 stresses one's main occupation, 「スペシャリスト」 specialized expertise, and 「アマチュア」 (casually 「アマ」) an amateur.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. その道みちの達人たつじん。技術ぎじゅつにすぐれた人ひと。