adverb taking the 'to' particle
rough to the touch; gritty; granular
Describes a surface or substance that feels rough, sandy, or granular when touched. Often used with する or とした to modify nouns.
この紙はざらりとした手触りだ。
This paper has a rough, gritty texture.
砂糖が溶けきらずに、口の中でざらりとした。
The sugar didn't dissolve completely and felt grainy in my mouth.
adverb taking the 'to' particle
rubbing rough surfaces together; with a gritty sound
Describes the action or sound of two rough surfaces rubbing against each other, producing a gritty sensation or noise. Less common than sense 1.
やすりをかけると、ざらりと音がした。
When I used the file, it made a gritty, scraping sound.
Onomatopoeic word mimicking the sensation or sound of roughness or grittiness. The exact derivation is uncertain.