adverb
Emphatic version of まだ, used to stress that a state continues, that there is more to come, or that something is not yet the case. Often appears in encouraging or modest contexts.
See also: まだ
まだまだ時間はあるから、急がなくていいよ。
There's still plenty of time, so you don't need to rush.
I'm still very much in the middle of studying Japanese.
expression
still a long way to go; not there yet
Used as a predicate (often with だ/です) to say that a goal or desired state is still far off. Common in self-deprecating or modest remarks.
プロのレベルにはまだまだです。
I'm still a long way from a professional level.
景気回復はまだまだだ。
Economic recovery is still a long way off.