グサッと

adverb

deeply (stab, thrust); hard

Onomatopoeic adverb describing a forceful, deep stabbing or thrusting motion, often with a single impactful action.

See also: グサリ

• 犯はん人にんは被ひ害がい者しゃの胸むねにナイフをグサッと刺さした。

  The culprit stabbed the victim deeply in the chest with a knife.

• 彼かれの鋭するどい言こと葉ばがグサッと心こころに突つき刺ささった。

  His sharp words stabbed deeply into my heart.