(Rom. Myth., person, proper) The goddess of dawn: identified with the Greek Eos
The very beginning of the day; dawn.
The time each morning at which daylight first begins.
The first or early part
The event or time of the appearance of the upper circumferential edge of the sun as it rises above the horizon, typically the eastern horizon except for extreme latitudes.
An act of beginning; an initial effort:
the first light of day
Find another word for sunup. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for sunup, like: aurora, cockcrow, dawn, dawning, daybreak, morn, morning, sunrise, start, first-light and break-of-day.