専門家|せんもんかsenmonka

1. nounspecialist; expert; professional; authority; pundit
   それは専門家せんもんかに任まかせたほうがいいよ。↗

   Leave that job to the experts!

• 1.
  Synonym玄人くろうとNeutralAn insider in a trade, the opposite of 「素人」; also once meant a woman in the nightlife trade. 「専門家」 is more formal and works in academia and any profession.
• 2.
  SynonymエキスパートNeutralA loanword for an expert, with a business flavor; 「専門家」 is the more general term.
• 3.
  Synonym名人めいじんNeutralA master of consummate skill; also a professional title in go. 「専門家」 stresses expert knowledge.
• 4.
  Synonym達人たつじんNeutralA master of a craft or art, as in 「料理の達人」; 「専門家」 stresses expert knowledge.
• 5.
  SynonymスペシャリストNeutralA loanword for a specialist, the counterpart of 「ゼネラリスト」; 「専門家」 is the more general term.
• 6.
  Related技術者ぎじゅつしゃNeutralAn engineer or technical expert; 「専門家」 is not confined to technical fields.
• 7.
  Related技師ぎしNeutralA professional title for technicians, as in 「放射線技師」; 「専門家」 is broader and not limited to technical fields.
• 8.
  Related名手めいしゅNeutralA master of outstanding skill or technique; also a brilliant move in go or shogi. 「専門家」 stresses knowledge.
• 9.
  Related熟練者じゅくれんしゃNeutralA skilled, experienced hand, not limited to manual workers; 「専門家」 stresses expert knowledge.
• 10.
  Related手練れてだれNeutralA master hand, whether at martial arts or at getting things done; 「専門家」 stresses expert knowledge.
• 11.
  Related手利きてききNeutralA person of fine craftsmanship, deft at what they do; 「専門家」 stresses expert knowledge.
• 12.
  Related老手ろうしゅNeutralAn old hand, a veteran of the trade; 「専門家」 stresses expert knowledge.
• 13.
  Related老練家ろうれんかWrittenWritten/formal prose for a seasoned, worldly-wise expert; 「専門家」 is the more general term.
• 14.
  Related技能者ぎのうしゃNeutralA person who has fully mastered a skill or craft; 「専門家」 stresses expert knowledge.
• 15.
  Related技術屋ぎじゅつやCasualColloquial for a technician or engineer, sometimes self-deprecating; 「専門家」 is more formal.
• 16.
  Antonym素人しろうとNeutralThe opposite of 「専門家」 on the amateur–expert axis: a layperson or amateur.
• 17.
  Antonym門外漢もんがいかんNeutralThe opposite of 「専門家」 on the insider–outsider axis: someone not well versed in the field under discussion.

For an expert or authority with professional knowledge, use 「専門家」. For an insider use 「玄人」; for outstanding craftsmanship 「達人」 or 「名人」; for a specialist 「スペシャリスト」; for a veteran 「老手」 or 「ベテラン」. The antonyms are 「素人」 and 「門外漢」.

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

1. 特定とくていの分野ぶんやに関かんする高度こうどな知識ちしきや技能ぎのうを有ゆうする人ひと。