D defs.my
Entry 1 sense Webster, 1913

Amateur

/ăm'-ət-ẽrˌ/ · Am·a·teur · IPA /ˈæ.mə.t͡ʃɚ/
01 n. A person attached to a particular pursuit, study, or science as to music or painting; esp. one who cultivates any study or art, from taste …
  1. 1.
    A person attached to a particular pursuit, study, or science as to music or painting; esp. one who cultivates any study or art, from taste or attachment, without pursuing it professionally.