つくづく・つくつく・つくずく

熟

表記・読み：熟熟・熟々・つくづく・つくつく・つくずく

1. 1

   deeply; keenly; severely; completely; utterly

   副詞副詞（と）word usually written using kana aloneonomatopoeic or mimetic word
2. 2

   intently; carefully; closely; attentively

   副詞副詞（と）word usually written using kana aloneonomatopoeic or mimetic word