twi ‧ light /ˈtwaɪlaɪt/ BrE AmE noun
[ Date: 1400-1500 ; Origin: twi- 'two, twice' (from Old English ) + light ]
1 . [uncountable] the small amount of light in the sky as the day ends
in the twilight
The end of the cigarette glowed in the twilight.
2 . [uncountable] the time when day is just starting to become night SYN dusk
at twilight
romantic walks along the beach at twilight
3 . [singular] the period just before the end of the most active part of someone’s life
twilight of
in the twilight of her acting career
Depression in the twilight years (=the last years of your life) is usually related to illness.
4 . twilight world literary a strange situation involving mystery, dishonesty etc
twilight world of
the twilight world of espionage