also: は · はあっ · はあー
interjection
Used as an affirmative response or to show understanding, similar to 'yes' or 'uh-huh'. Can also be used as a filler or to express mild surprise.
「これ、お願いできますか？」「はあ、わかりました。」
"Can you do this for me?" "Yes, I understand."
はあ、そういうことだったんですか。
Oh, so that's what it was.
interjection
ha!
An exclamation of surprise, realization, or sometimes laughter. Often written with an exclamation mark.
はあ！ びっくりした！
Ha! You startled me!
interjection
Used to express confusion or to ask for clarification, similar to 'huh?' or 'what?'. Often with rising intonation.
はあ？ 何言ってるの？
Huh? What are you talking about?
Variant with small ぁ.
Katakana spelling; search-only variant.
Common variant with long vowel mark.
Katakana spelling; search-only variant.
Emphatic form with small っ.
Katakana spelling; search-only variant.
An interjection of natural origin; the exact derivation is uncertain. It likely developed as a vocal expression of various emotions.