adverb
a little early; earlier than usual; ahead of time
Used when doing something slightly before the expected or usual time. Often implies a precautionary or considerate action.
明日は早めに家を出よう。
Let's leave home a little early tomorrow.
早めに予約したほうがいいですよ。
You'd better make a reservation ahead of time.
adverb
rather quickly; a little faster than usual
Used when doing something at a somewhat faster pace than normal. Less common than the temporal sense; typically written with 速.
速めに歩いてください。
Please walk a little faster.
仕事を速めに片付けた。
I finished the work rather quickly.
Formed from the adjective 早い (early/fast) by adding the suffix め (indicating a moderate degree) and the adverbial particle に.