JMdict: 1856520

頭が固い 【あたまがかたい】

  1. [exp,adj-i] thickheaded; obstinate; inflexible; stubborn
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Head, Counter For Large Animals トウ, ズ, ト あたま, かしら, -がしら, かぶり
Harden, Set, Clot, Curdle かた.める, かた.まる, かた.まり, かた.い