0 extremely unpleasant and very upsetting or frightening:
We had a nightmarish journey to our holiday destination.
In writings of the time, the male soprano begins to be depicted as ghoulish or nightmarish, as though inhabiting a dream.
Securing the most basic physical necessities became nightmarish struggles.
The nightmarish description paves the way for even more striking elemental fury also staged at night.
The theatre of war was dotted with ridges and hills and dissected by numerous ravines, nightmarish to a conventional but ideal for a guerrilla army.
The frequency of nightmarish dreams with threat simulations but without considerable debilitating consequences should be higher than the frequency of such nightmares that severely disrupt sleep and cause grave insomnia.