4-F
Americannoun
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a U.S. Selective Service classification designating a person considered physically, psychologically, or morally unfit for military duty.
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a person so classified.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Blue Jays are off to a 4-6 start, including series losses to the Colorado Rockies and Chicago White Sox.
From Los Angeles Times • Apr. 7, 2026
Miners appear to have roughly 1-3 weeks of diesel on site and about 4-6 weeks of inbound supply visibility, it says.
From The Wall Street Journal • Mar. 30, 2026
Fourth seed Coco Gauff also reached the quarter-finals with a hard-fought 6-3 4-6 6-2 win over Sorana Cirstea of Romania.
From BBC • Mar. 23, 2026
White House Press Secretary Karoline Leavitt said Trump and the Pentagon "predicted it would take approximately 4-6 weeks to achieve this mission", as the conflict headed towards a fourth week on Saturday.
From Barron's • Mar. 21, 2026
P. 4-6 cm. irreg. subumb. glabrous, rivulose when dry, margin even, naked, flesh-colour becoming pale; g. crowded; s. 5-8 cm. solid, elastic, base narrowed, whitish; sp. subg. 4-5.
From European Fungus Flora: Agaricaceae by Massee, George
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.