ぼそり

ぼそり, ボソリ, ぽそり, ポソリbosori

adverb

  1. in a subdued voice
  2. in undertones
  3. in a whisper
  4. in a mumble
  5. in a murmur

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences