nightly — OET

nightly

adjective

1 we were subjected to almost nightly raids:

every night, each night, night after night, night in, night out.

▷antonyms occasional.

2 the badgers' nightly wanderings:

nocturnal, night-time, at night.

▷antonyms daytime.

adverb

a Tyrolean band plays there nightly:

every night, each night, night after night, night in, night out.

nightly Oxford Dictionary of English