早(はや)く

はやく
adverb
early, quickly, soon
descriptive
See also: 早(はや)い (adjective form)
1. early
At an early time.
早(はや)く起(お)きてください。
Please wake up early.
I left the house early today.
You should go to bed early.
I'm not good at getting up early in the morning.
The meeting ended earlier than scheduled.
2. quickly, fast
At a rapid pace.
早(はや)く来(き)て!
Come quickly!
Hurry up or you'll be late.
Please eat faster.
The train is here, so please get on quickly.
We don't have time, so get ready quickly.
3. soon
In the near future.
Get well soon.
I want spring to come soon.
早(はや)くお会(あ)いしたいです。
I want to see you soon.
I really want to go to Japan soon.
Let's finish soon and go home.

早(はや)く is the adverbial form of the i-adjective 早(はや)い. It covers three related meanings: early (time), quickly (speed), and soon (desire for something to happen).

Forms

早(はや)い → 早(はや)く (i-adjective → adverb by changing い to く)

Writing

The two overlap in the sense "quickly", and 早(はや)く is the far more common spelling overall.

Common expressions

Usage

早(はや)く! on its own works as an urging expression: "Hurry up!"