利口(りこう)

りこう
na-adjective, noun
clever, smart
1. clever, smart, intelligent
Having or showing quick understanding and practical wisdom.
利口(りこう)な子(こ)だ。
They are a clever child.
もっと利口(りこう)に行動(こうどう)すればよかった。
I should have acted more wisely.
あの犬(いぬ)はとても利口(りこう)だ。
That dog is very smart.
Often used for animals showing intelligence

USAGE: 利口(りこう) describes practical intelligence or cleverness, often implying quick-wittedness or wise behavior.

NUANCE: Can imply shrewdness or being street-smart, not just book-smart.

CONTRAST:

  • 利口(りこう) - clever, smart (practical wisdom)
  • 頭(あたま)がいい - smart, intelligent (general)
  • 賢(かしこ)い - wise, intelligent (slightly more formal)
  • 聡明(そうめい) - brilliant, sagacious (formal, literary)

Related Words

Synonym: 賢(かしこ)い (wise, intelligent)
general
Added 2026.1.12 22:34 · Revised 2026.5.28 3:27
03500/03801_rikou