The Collaborative International Dictionary
Glooming \Gloom"ing\, n. [Cf. Gloaming.] Twilight (of morning or evening); the gloaming.
When the faint glooming in the sky
First lightened into day.
--Trench.
The balmy glooming, crescent-lit.
--Tennyson.
Gloom \Gloom\, v. i. [imp. & p. p. Gloomed; p. pr. & vb. n. Glooming.]
To shine or appear obscurely or imperfectly; to glimmer.
-
To become dark or dim; to be or appear dismal, gloomy, or sad; to come to the evening twilight.
The black gibbet glooms beside the way.
--Goldsmith.[This weary day] . . . at last I see it gloom.
--Spenser.
Wiktionary
Etymology 1 vb. (present participle of gloom English) Etymology 2
n. twilight of morning or evening; the gloaming
WordNet
Usage examples of "glooming".
Pompey led his men into their camp at Sena Gallica not whistling and chirping exactly, but not glooming either.