1 dusk, sunset, gloaming, sundown, half-light, crepuscule or crepuscle:
We enjoyed dinner at twilight on the terrace overlooking the sea.
2 decline, wane, waning, ebb, downturn, down-swing, slump, decay, weakening, declination, diminution:
Even at the twilight of his career, Jonas enjoyed the respect of his colleagues.
3 Twilight of the Gods. Götterdämmerung, Ragnarök or Ragnarok:
The world ends at the Twilight of the Gods, only to be born anew.
4 evening, crepuscular, dimming, darkening, darkish, darksome, shadowy, shady, dim, dark, obscure, sombre, gloomy, Literary darkling:
The Nymphs in twilight shade of tangled thickets mourn.
5 twilight zone. limbo:
He lives in the twilight zone, unable to distinguish reality from fantasy.