How to say "full-fledged" in Japanese

• いっぱし
  no-adjective, adverbDescribes a person as properly competent or full-fledged at what they do, often in phrases like holding one's own among professionals. It is a less common word, usually written in kana alone.
  君きみはいっぱしの大人おとなだ。↗

  You are quite a man.
• ひとかど
  no-adjectiveMeans respectable or considerable, used of a person's standing or ability — someone who is a full-fledged, decent professional. It is less common, normally written in kana alone.
• 本格的ほんかくてきCommon
  na-adjectiveThe common, default choice: describes activities, projects or efforts as full-scale, all-out or full-blown rather than tentative — e.g. a full-fledged investigation or business. Use this for serious scale, not for a person's competence.
  本格的ほんかくてきな休暇きゅうかは３年ねんぶりだ。↗

  It's three years since I had a real vacation.

Use 本格的 for something full-scale or serious in scope, and 「いっぱし」 or 「ひとかど」 for a person's skill or standing; of these, only 本格的 is common, while the other two are kana-written and less common.

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

• いっぱしfully fledged
• ひとかどconsiderable
• 本格的ほんかくてきfull-scale