nightmare

UK
/ˈnaɪtmeə/
US
/ˈnaɪtˌmɛr/

Translations

nightmarenoun
nightmares
pl
UK
/ˈnaɪtmeə/
US
/ˈnaɪtˌmɛr/
She woke up in a cold sweat after having a nightmare about being chased.
Elle s’est réveillée en sueur après avoir fait un cauchemar où on la poursuivait.
cauchemarPar extension, pour une situation ou une expérience très pénible.
The traffic jam turned the morning commute into a nightmare.
L’embouteillage a transformé le trajet du matin en cauchemar.
Additional translations
cauchemarSens archaïque, en folklore.
Synonyms
waking nightmare
night terror
bad dream
Antonyms
nightmareadjective
UK
/ˈnaɪt.meə/
US
/ˈnaɪt.mɛr/
Used only attributively before a noun; typically non-gradable
The nightmare scenario of the project failing kept him awake at night.
Le scénario cauchemardesque de l’échec du projet le tenait éveillé la nuit.

Definitions

nightmarenoun
A frightening or unpleasant dream.
She woke up in a cold sweat after having a nightmare about being chased.
A terrifying or very unpleasant experience or situation.
The traffic jam turned the morning commute into a nightmare.
(archaic) A malevolent spirit or monster once believed to sit on sleepers' chests and suffocate them.
In old folklore, villagers left offerings to ward off the nightmare that haunted their sleep.
nightmareadjective
Resembling a nightmare; extremely distressing or frightening.
The nightmare scenario of the project failing kept him awake at night.