nightly /ˈnaɪtli/adjective 3adverb 1noun 1forms 1 adjective3 •Happening or appearing in the night; night-time; nocturnal.A cobweb spread above a blossom Is sufficient to protect It from nightly chill. — 1871 •Performing, occurring, or taking place every night.The dog demanded to go out for his nightly walk. •Used in the night. adverb1 •Every night.He checks his email nightly. noun1 •A build of a software program with the latest changes, released every night. formsnightlies
