Learn more about this word
두껍다
두껍다 is a ㅂ irregular verb, so it becomes 두꺼워요 in polite speech and 두꺼운 before a noun.
Examples in context
이 책은 두꺼워요.
This book is thick.
두꺼운 옷을 입으세요.
Please wear thick clothes.
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