How to say "technical" in Japanese

• テクニカルCommon
  na-adjectiveThe katakana loanword. It often describes plays, moves, or controls that demand fine technique, and can suggest something fiddly or intricate; for the engineering or technological sense, 技術的 is the usual choice.
  昼食ちゅうしょくは、テクニカルグループも交まじえて、十二じゅうに時じからです。↗

  Lunch is at 12:00 to coincide with the Technical Group.
• 技術的ぎじゅつてきCommon
  na-adjectiveThe default choice when technical means relating to technology or engineering; it also covers technological. It suits technical problems, details, or expertise.
  あなたはその技術的ぎじゅつてきな問題もんだいをいつ片かたづけたのですか。↗

  When did you get through with your engineering problem?
• 専門的せんもんてきCommon
  na-adjectiveFits technical in the sense of specialized or expert-level: knowledge, terminology, or fields that belong to specialists. Its core meaning is specialist or professional, so it stresses specialization rather than technology itself.
  英語えいごを教おしえることが彼かれの専門的せんもんてき職業しょくぎょうです。↗

  Teaching English is his profession.

Use 技術的 for the technology or engineering sense, 専門的 when technical means specialized or expert-level, and 「テクニカル」, the loanword, for fine technique or fiddly intricacy, especially in sports and games.

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

• テクニカルtechnical
• 技術的ぎじゅつてきtechnical
• 専門的せんもんてきtechnical
• 技巧的ぎこうてきtechnically accomplished
• テクtechnical