as in to faint
to lose consciousness
I passed out from the flu
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Recent Examples of Synonyms for pass out
faint
Verb
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The woman, Muñoz said, had seen people fainting from the heat.
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The humble accessory that once adorned fainting couches in early 19th-century portraiture is appearing across modern bedrooms, from Ariel Kaye’s house to Brunch With Babs’s Connecticut home to this Palm Beach Spanish-style retreat.
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“Pass out.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pass%20out. Accessed 5 Jul. 2026.
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