しみじみ

Usually written in kana. Kanji spelling 沁み沁み

keenly; deeply; fully; heartily

JLPT N2 Also written 染み染み、沁沁

Meaning

advadv-to
keenly; deeply; fully; heartily; seriously; earnestly
advadv-to
calmly; quietly; softly
advadv-to
fixedly (gazing, staring); intently