勘かんがいい

also: かんがよい

勘がいい · i-adjective (yoi/ii class)

Form	Positive	Negative
Dictionary	勘かんがいい	勘かんがよくない
Polite	勘かんがいいです	勘かんがよくないですalso 勘かんがよくありません
Past polite	勘かんがよかったです	勘かんがよくなかったですalso 勘かんがよくありませんでした
Past	勘かんがよかった	勘かんがよくなかった
Te-form	勘かんがよくて	勘かんがよくなくて
Adverbial	勘かんがよく
Conditional	勘かんがよければ	勘かんがよくなければ
Tara conditional	勘かんがよかったら	勘かんがよくなかったら

Meanings

expression, i-adjective (yoi/ii class)

quick on the uptake; perceptive; intuitive

Describes someone who grasps situations, hints, or unspoken things quickly without needing detailed explanation.

彼かれは勘かんがいいから、説せつ明めいしなくてもすぐわかる。
He's quick on the uptake, so he gets it right away without explanation.
あの子こは本ほん当とうに勘かんがいいね。一いち度ど教おしえただけで全ぜん部ぶ覚おぼえたよ。
That kid is really perceptive. He remembered everything after being shown just once.

See all 8 example sentences ›

Kanji

勘intuition, perception, check
良good, pleasing, skilled

Related words

察さっしがいい
Similar meaning, but 察しがいい emphasizes picking up on subtle social cues or reading between the lines, while 勘がいい is broader and includes instinctive understanding.
飲のみ込こみが早はやい
Focuses on learning or understanding new things quickly, often in a teaching or training context. 勘がいい is more about innate intuition.

Written forms

勘かんがいい
Most common spelling; uses the standard いい ending.
勘が良い
- かんがいい
  Kanji spelling for いい; slightly more formal or literary.
- かんがよい
勘かんがよい
Uses the よい reading; can sound a bit more formal or emphatic than いい.
かんがよい

Etymology

Compound of 勘 (intuition, sixth sense) + が (subject marker) + いい (good). The phrase literally means 'one's intuition is good' and is a common idiomatic expression.