tsukuzuku
1. deeply; keenly
2. intently; carefully
★ Common
Adverb
#58873
1. deeply; keenly
2. intently; carefully
1. kanji compound
2. idiom; idiomatic phrase
1. skill; expertise
1. deep sleep; sound sleep
1. being familiar with; having a thorough knowledge of
1. It's not an idiom.; It isn't a set phrase.
1. Compound word
1. If/when idiom; If it's an idiom
1. Was not an idiom.; Was not a set phrase.