adjective
- having no night; experiencing continuous daylight
Usage: often used to describe polar regions during summer
Examples
- The Arctic summer brings nightless days to northern Alaska.
- During the nightless season, the sun never sets below the horizon.
- Tourists flock to see the nightless skies of northern Norway.
- The nightless period can last for several weeks in polar regions.
- Plants must adapt to the nightless conditions of the midnight sun.
- Photography becomes challenging during the nightless summer months.