1An adverb usually meaning "before long" or "sooner or later" (e.g. 今に後悔するよ, "You'll regret it before long"). It can also mean "even now / to this day," used for emphasis (e.g. 今に忘れられない, "I still can't forget it, even now").
今に後悔するよ、そんなことをしていたら。
You'll regret it before long if you keep doing that.
彼の才能はすごいから、今に有名になるだろう。
His talent is amazing, so he'll probably become famous before long.
今に雨が降り出しそうな空模様だ。
The sky looks like it might start raining before long.
あのときの彼の一言は、今に忘れられない。
I still can't forget what he said back then, even now.