An adverb indicating that something has happened already, earlier than expected (similar to 'already' or 'as early as').
早くも彼は試験に合格したと聞いた。
I heard that he has already passed the exam.
新製品が発表されてから早くも売り切れた。
The new product sold out already soon after it was announced.
早くも春の気配が感じられる。
You can already sense signs of spring.
An adverb meaning 'at the earliest' or 'as soon as', emphasizing the earliest possible time something happens.
彼は早くも翌朝には出発の準備を整えていた。
He had prepared to leave as early as the next morning.
報告書は早くも明日提出しなければならない。
The report must be submitted as early as tomorrow.
早くも会場は満席になり始めた。
The venue began to fill up at the earliest stages (very soon).