midnight UK [ˈmɪd̚naɪt]US [ˈmɪd̚ˌnɐɪt]noun 3adjective 1forms 1phrases 1 noun3 •exactly 12 a.m., the moment when one day ends and the next one begins •The middle of the night: the sixth temporal hour, equidistant between sunset and sunrise.Thanks to its sonar, the narwhal can remain active even at midnight, unhindered by the darkness. •Synonym of boxcars (“a pair of sixes”). adjective1 •(literary) Utterly dark or black.Free and falling, his midnight hair flowed out all around us like a silk canopy. — 2013 formsmidnights Phrases with midnight burn the midnight oilTo work studiously, especially late into the night.
