長らく

ながらく

long; (for a) long time

common word Also written 永らく

Meaning

adv
long; (for a) long time

Example sentences

長らくお待たせして申し訳ありません。

I'm sorry to have kept you waiting so long.
彼からは長らく連絡がない。

I haven't heard from him for a long time.