adverb taking the 'to' particle, noun or participle which takes 'suru'
Describes something small, neat, and fitting comfortably into a space, often with a cute or cozy nuance. Used adverbially with と or as a する-verb.
子猫が箱の中にちんまりと座っている。
The kitten is sitting snugly inside the box.
A tiny house stands compactly there.