1. Lasting, open, or operating through the whole night
   "an all-night pharmacy"
   - nightlong, overnight

See also: long

• hatchling
• hatchment
• hatchway
• hate
• hate mail
• hated
• hateful
• hatefully
• hatefulness
• hatemonger
• hater
• hatful
• hath
• hatha yoga
• Hathaway
• Hatiora
• Hatiora gaertneri
• hatless
• hatmaker
• hatpin
• hatrack
• hatred
• hatstand
• hatted
• hatter