Definition of predawn
: existing or occurring before dawn
- a predawn attack
- the predawn hours
- … the gigantic telescope started scanning the predawn sky.
- —Howard Blum
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predawn
or less commonly pre-dawn noun, plural predawns also pre-dawns-
- The most bone-chilling predawns create the sharpest sunrises.
- —Christine Schultz
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- … stepping out into the quiet pre-dawn, closing the door.
- —Bryan Burrough
