daymare
/ˈdeɪˌmɛr/
noun
- A distressing or frightening experience, thought, or situation that occurs while awake, similar to a nightmare but during the day.
- For the anxious student, the upcoming exam felt like a daymare that wouldn't end.
- Living through that power outage during the heatwave was a real daymare.
- The traffic jam was a daymare, turning a short commute into a two-hour ordeal.