ああ

Usually written in kana. Kanji spelling 嗚呼

ah!; oh!; alas!; yes

JLPT N5 Also written 噫、嗟、於乎、於戯、嗟乎、吁

Meaning

int
ah!; oh!; alas!
int
yes; indeed; that is correct
int
aah; gah; argh
int
hey!; yo!
int
uh huh; yeah yeah; right; gotcha