nighthawknight‧hawk /ˈnaɪthɔːk $ -hɒːk/ noun [countable] American English informal 
someone who enjoys staying awake all night SYN night owl
someone who enjoys staying awake all night SYN night owl- green audit
- Greenaway, Kate
- greenback
- green bean
- green belt
- Green Berets
- green card
- green-collar
- Greene, Graham
- greenery
- greenfield site
- greenfly
- greengage
- Green Giant
- greengrocer
- Greenham Common
- greenhorn
- greenhouse
- greenhouse effect
- greenhouse gas
- greening
- greenish
- Green Jackets
- Greenland
- green light