also: はったと
suddenly (hit); with a slap
Describes a sudden, sharp physical impact or a slapping sound. Often used with verbs like 打つ, 叩く, or 当たる.
He suddenly slapped the desk.
sharply (glance, glare); fiercely
Used for a sharp, piercing look or glare. Common with verbs like 見る, にらむ, or 振り返る.
suddenly; all of a sudden; in a flash
Indicates a sudden realization, stop, or change in state. Often used with verbs like 気づく, 止まる, or 思い出す.
Emphasizes a complete or thorough state, often with negative or extreme outcomes. Used with verbs like 忘れる, 困る, or 参る.
ボールがはたと壁に当たった。
The ball hit the wall with a slap.
She glared at me sharply.
He turned around sharply.
Suddenly I realized it had gotten dark outside.
He stopped suddenly.
I completely forgot about the appointment.
I was utterly at a loss for his reply.
Emphatic variant; more forceful than はたと.
Rare kanji form; not commonly used.
The origin is uncertain; it is likely a mimetic word (擬態語) that phonetically captures the idea of a sudden, sharp action or realization.