nightly

Từ điển WordNet v3.1 - WordNet Dictionary

I - adjective

happening every night
- nightly television now goes on until 3:00 or 4:00 a.m.
• Similar to:
periodic, periodical
• Derivationally related forms:
night

II - adverb

at the end of each day
- she checks on her roses nightly
• Syn:
every night