アマチュア

あまちゅあ
noun
amateur
1. amateur, non-professional
Someone who does something as a hobby or without professional training, as opposed to a professional.
アマチュアの写真家(しゃしんか)です。
I'm an amateur photographer.
アマチュアとは(おも)えないほど上手(じょうず)だった。
They were so good you wouldn't think they were an amateur.
この大会(たいかい)はプロもアマチュアも参加(さんか)できる。
Both professionals and amateurs can participate in this tournament.

From English 'amateur.' Refers to someone who does something as a hobby rather than professionally.

ABBREVIATION:
Often shortened to アマ in casual speech (e.g., アマの選手(せんしゅ), プロアマ(せん)).

COMMON COLLOCATIONS:

  • アマチュア選手(せんしゅ): amateur athlete
  • アマチュア無線(むせん): amateur radio (ham radio)
  • アマチュアバンド: amateur band
  • プロとアマチュアの(): the gap between pros and amateurs

CONTRAST:

  • プロ / プロフェッショナル: professional
  • 素人(しろうと): layperson, novice (can sound dismissive; アマチュア is more neutral/respectful)

USAGE:
アマチュア is neutral and can even carry a positive nuance of passionate dedication. 素人(しろうと) often implies lack of skill.