adverb, adverb taking the 'to' particle
sinking deeply; bogged down
Describes sinking deeply into soft substances like mud, snow, or sand. Often used with verbs like 沈む or はまる.
My boots sank deeply into the mud.
adverb, adverb taking the 'to' particle
thrusting deeply; poking in
Describes thrusting something deeply into a soft object, such as a knife into butter or a finger into a cake. Often used with verbs like 刺す or 突っ込む.
He thrust the knife deeply into the cake.
adverb, adverb taking the 'to' particle, na-adjective
deeply involved; in too deep
Describes being deeply involved in a matter, relationship, or trouble, often to an excessive degree. Can be used with verbs like はまる or 関わる.
He is deeply hooked on gambling.
Describes being thoroughly wet, often from rain or water. Used as an adjectival noun with な or に.
My clothes got drenched in the rain.
extremely drunk
Archaic use meaning extremely drunk. Rare in modern Japanese; usually replaced by ぐでんぐでん or べろべろ.
In old novels, it is written that he was extremely drunk.
Mimetic word; the exact derivation is uncertain, but it likely imitates the sound or sensation of something sinking or being thrust into a soft, wet substance.