Because it was believed to come in the night, it later became known in Middle English as a nightmare. It was not until the 16th century that the word nightmare came to mean "a …

A nightmare, also known as a bad dream, [1] is an unpleasant dream that can cause a strong emotional response from the mind, typically fear but also despair, anxiety, disgust or sadness. …

Nightmare definition: a terrifying dream in which the dreamer experiences feelings of helplessness, extreme anxiety, sorrow, etc.. See examples of NIGHTMARE used in a sentence.

Jun 5, 2021 · A nightmare is a disturbing dream associated with negative feelings, such as anxiety or fear that awakens you. Nightmares are common in children but can happen at any age.

nightmare, disturbing dream that provokes a strong negative emotional reaction. Nightmares differ from other dreams in that they typically cause the sleeper to awaken because of emotional …

Apr 30, 2025 · When you wake up terrified from a disturbing nightmare, you might think you're the only adult who has them. After all, aren't adults supposed to outgrow nightmares?

NIGHTMARE meaning: 1. a very upsetting or frightening dream: 2. an extremely unpleasant event or experience or…. Learn more.

night•mare (ˈnaɪtˌmɛər) n. 1. a terrifying dream producing feelings of extreme fear and anxiety. 2. a condition, thought, or experience suggestive of a nightmare. 3. (formerly) a monster or evil …

Definition of nightmare noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

May 22, 2024 · What causes nightmares? “Most people have a random nightmare here or there, and you may be more susceptible to them after dealing with stress or watching a scary movie,” …