Alarming and Nightmarish

Alarming

Alarming adjective - Causing fear.
Usage example: an alarming rise in her fever, causing the doctor to fear the worst

Nightmarish is a synonym for alarming in horrendous topic. In some cases you can use "Nightmarish" instead an adjective "Alarming".

Nearby Words: alarm, alarmed, alarmingly

Nightmarish

Nightmarish adjective - Extremely disturbing or repellent.
Usage example: a photographic exhibit of nightmarish images from the wars of the 20th century

Alarming is a synonym for nightmarish in horrendous topic. You can use "Alarming" instead an adjective "Nightmarish", if it concerns topics such as frightening, terrifying.

Nearby Word: nightmare
Cite this Source
Nightmarish and Alarming. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alarming/nightmarish
Alarming & Nightmarish. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alarming/nightmarish>.
Nightmarish or Alarming. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alarming/nightmarish.
Google Ngram Viewer shows how "alarming" and "nightmarish" have occurred on timeline