んだMeanings1interjectionthat's right; yes; uh-huhDialectal interjection (Tōhoku-ben) used for agreement or acknowledgment, similar to standard そうだ or うん.「明日あしたは休やすみだっけ?」「んだ。」"Tomorrow's a day off, right?" "That's right."「手伝てつだってくれる?」「んだ、いいよ。」"Can you help me?" "Yeah, sure."