adverb, adverb taking the と particle, takes する

Onomatopoeic or mimetic word.
  1. in a subdued voice, in undertones, in a whisper, in a mumble, in a murmur.

adverb, adverb taking the と particle, takes する, adjectival noun or quasi-adjective

Onomatopoeic or mimetic word.
  1. dry and tasteless, stale.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
ぼそぼそ
 
 
 
 
ボソボソ