熟
Common
Adverb
Adverb
1
adverb (fukushi)adverb taking the 'to' particle
word usually written using kana alone
onomatopoeic or mimetic word
deeply;keenly;severely;completely;utterly
彼は、自分の不幸をつくづく考えた。
He brooded over his misfortunes.
2
adverb (fukushi)adverb taking the 'to' particle
word usually written using kana alone
onomatopoeic or mimetic word
intently;carefully;closely;attentively
Other forms
熟熟 【つくづく】 (rarely used kanji form) · 熟々 【つくづく】 (rarely used kanji form)