(くわ)しい

くわしい
i-adjective
detailed, knowledgeable
descriptive
Conjugation
AffirmativeNegative
Present(くわ)しい(くわ)しくない
Past(くわ)しかった(くわ)しくなかった
て form(くわ)しくて(くわ)しくなくて
Adverbial(くわ)しく
Conditional ば(くわ)しければ(くわ)しくなければ
Conditional たら(くわ)しかったら(くわ)しくなかったら
1. detailed, thorough
Describing something that contains a lot of specific information or is explained in depth.
Please give me a detailed explanation.
(くわ)しいこと()かりません
I don't know the details.
(くわ)しく(おし)えてください
Please tell me in detail.
(くわ)しい地図(ちず)ほしい
I want a detailed map.
I'll contact you later with the details.
(くわ)しい(はなし)()きたい
I want to hear the details.
2. knowledgeable, well-informed (about)
Describing someone who knows a lot about a particular subject. Used with に to indicate the topic of expertise.
He is knowledgeable about Japanese history.
〜に詳しい = knowledgeable about ~
She is knowledgeable about computers.
その(けん)(くわ)しくない
I'm not well-informed about that matter.
I consulted someone knowledgeable about law.
A friend who knows a lot about food told me about a good restaurant.

Has two main uses: describing detailed information and describing a knowledgeable person.

Common patterns

  • (くわ)しい + noun ((くわ)しい情報(じょうほう) = detailed information)
  • (くわ)しい (knowledgeable about ~)

Forms

Similar adjectives and related words

Usage

  • Sense 2 takes , never : 歴史(れきし)(くわ)しい. について works with verbs of knowing but not with this adjective.
  • Calling someone 〜(くわ)しい is a compliment short of claiming 専門(せんもん) (professional expertise), so it is safe to use about a hobby or side interest.
  • (くわ)しくない is the standard modest disclaimer before giving an opinion — it softens rather than refuses.

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