swoon

To swoon is to faint, due to lack of blood to the brain. Illness, fear, stress, and even happiness can cause people to swoon.

Swoon is an old-fashioned way to say "pass out": back in the day, ladies in corsets were always swooning at the slightest stress or smallest nod from a handsome man. Although this word technically means "to faint," today it has more of a positive connotation and isn't used so literally — people say they swoon when they encounter something so wonderful it makes them dizzy with joy. Chocolate cupcakes, the perfect dress, or a stellar home run could make you swoon.

Definitions of swoon
1

v pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain

Synonyms:
conk, faint, pass out
Type of:
black out, pass out, zonk out
lose consciousness due to a sudden trauma, for example

n a spontaneous loss of consciousness caused by insufficient blood to the brain

Synonyms:
deliquium, faint, syncope
Type of:
loss of consciousness
the occurrence of a loss of the ability to perceive and respond

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