An Encylopedia Britannica Company

January 06, 2019 Word of the Day

nightmare /ˈnaɪtˌmeɚ/ noun
nightmare
/ˈnaɪtˌmeɚ/
noun

plural nightmares

Waking up mom and dad after a nightmare
Waking up mom and dad after a nightmare
Definition of NIGHTMARE

[count]

1 : a dream that frightens a sleeping person : a very bad dream

  • Mommy, I had a really scary nightmare.

  • She had a recurring nightmare [=she had the same bad dream many times] about losing her job.

2 : a very bad or frightening experience or situation

  • The party was a complete nightmare.

  • a nightmare situation/scenario

  • Losing a child is every parent's worst nightmare. [=the thing every parent fears most]

nightmarish /ˈnaɪtˌmerɪʃ/ adjective [more nightmarish; most nightmarish]

  • a nightmarish experience

More Words of the Day