keep someone posted up

Verb

dated form-of

Dated form of keep someone posted.

Japanese Meaning

（古風な表現）相手に最新情報や状況の変化を逐次知らせる、情報提供し続ける

Despite its dated tone, I'll keep someone posted up on any developments until the issue is resolved.

古めかしく聞こえるかもしれませんが、問題が解決するまで、関係者に進展を随時知らせておきます。

Sense（1）

Dated form of keep someone posted.

Take stock of things, and keep me posted up as to how I stand.

keeps someone posted up

（ present singular third-person ）

keeping someone posted up

（ participle present ）

kept someone posted up

（ participle past ）

kept someone posted up

（ past ）