ぼーっと

adverb, noun or participle which takes 'suru'

in a daze; absent-mindedly; vacantly

Describes a state of mental absence, daydreaming, or staring blankly without focus. Often used with verbs like する, なる, 見る.

• 彼かれは窓まどの外そとをぼーっと見みていた。

  He was staring vacantly out the window.

• 疲つかれていて、会かい議ぎ中ちゅうにぼーっとしてしまった。

  I was so tired that I zoned out during the meeting.

adverb, noun or participle which takes 'suru'

dimly; hazily; faintly

Used for visual or auditory perception that is unclear, faint, or indistinct. Can describe seeing or hearing something vaguely.

• 遠とおくに山やまがぼーっと見みえる。

  The mountains are dimly visible in the distance.

• 隣となりの部屋へやから音おん楽がくがぼーっと聞きこえてきた。

  I could faintly hear music from the next room.

adverb

with a roar; flaring up

Mimetic for flames suddenly roaring or flaring up. Often used with 燃える or 燃え上がる.

• ストーブに火ひがぼーっとついた。

  The fire in the stove flared up with a whoosh.

• たき火びがぼーっと燃もえ上あがった。

  The bonfire blazed up with a roar.