Etymology
Advertisement

nightlong (adj.)

"for the period of a night," Middle English nightlonge, from Old English nihtlang; see night + -long.

updated on June 13, 2019

Advertisement
Advertisement
Definitions of nightlong from WordNet

nightlong (adj.)
lasting, open, or operating through the whole night;
a nightlong vigil
Synonyms: all-night / overnight
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.