noun which may take the genitive case particle 'no', na-adjective
highly skilled; very capable; competent
Describes a person who is exceptionally good at their job or craft. Often used attributively (腕利きの職人, 腕利きの医者).
彼は腕利きのプログラマーだ。
He is a highly skilled programmer.
腕利きの料理人が作る料理は格別だ。
The dishes prepared by a master chef are exceptional.
noun
expert; master-hand; person of ability
Refers to a person who is highly skilled, often in a specific trade or profession. Can be used as a noun on its own (あの人は腕利きだ).
あの大工は本当に腕利きだ。
That carpenter is a real master-hand.
この店には腕利きが揃っている。
This shop is staffed with experts.
達人 implies a higher level of mastery, often in arts or martial arts, while 腕利き emphasizes practical skill and competence in a trade or profession.
熟練 is a noun or suru-verb meaning 'proficiency' or 'skillfulness', focusing on the state of being skilled, whereas 腕利き describes a person or their attribute.
Compound of 腕 (ude, 'arm; skill') and 利き (kiki, 'effective; able'), from the verb 利く (kiku, 'to be effective'). Literally 'skill-effective', referring to someone whose abilities are sharp.