Meanings
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1
adj
covered with, containing, or resembling loose fluff, lint, or down; obsolete
The porters looked dusty and fluey after moving the old trunks.
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2
adj
resembling influenza or feeling as if affected by it; informal
She felt fluey and tired but had no fever.
Thesaurus
Etymology
Two formations share this spelling. The obsolete textile sense is flue, an old word for loose fluff or down, + -y. The informal illness sense is formed from flu + -ey and means influenza-like; it is unrelated to a chimney flue.