noun

la stupeur

astonishment

État d’étonnement ou de choc soudain qui empêche de réagir normalement.

"Stupeur" is a French noun that translates to "stupor," "astonishment," or "daze" in English.

Meaning:

Stupeur refers to a state of shock or astonishment where someone is momentarily unable to react or think clearly because of surprise or alarm. It is often used when describing a sudden emotional reaction to unexpected news or events.
It can also describe a kind of dazed or numb sensation, either mentally or physically, where perception or responsiveness is dulled.

Parts:

The word stupeur comes from the Latin stupeo, meaning "to be stunned or astonished."
It is a feminine noun: la stupeur

Synonyms:

étonnement (astonishment)
choc (shock)
consternation (consternation)
incrédulité (disbelief)
sous le choc (in shock)
embarras (bewilderment/confusion)

Antonyms:

sang-froid (composure)
calme (calm)
sérénité (serenity)
maîtrise de soi (self-control)

In summary, stupeur encapsulates the emotional or mental state of being suddenly shocked or stunned to the point of inactivity or confusion. It can be used for serious or surprising situations that leave someone momentarily speechless or immobilized.