also: ずっぽり · ずっぽし
adverb, adverb taking the 'to' particle
entirely; completely; all the way
Describes something being fully covered, enveloped, or immersed. Often used with verbs like かぶる, はまる, 包む, or 覆う. It is especially for being covered in something.
帽子をすっぽりかぶった。
I put on a hat that covered my head completely.
The ring fit snugly all the way onto my finger.
adverb, adverb taking the 'to' particle
Describes something fitting precisely into or being removed cleanly from a space, like a lid, plug, or object in a container. This is especially for insertion or removal.
The bottle's stopper came out cleanly.
The book fit snugly into the box.
I pulled the blanket completely over my head.
The lid fit snugly into the box.
I wrapped the baby completely in a towel.
The nail came out cleanly.
The mountaintop was entirely covered in snow.