slender, as in girth or form; slight in build or structure.
poor or inferior.
a slim chance; a slim excuse.
small or inconsiderable; meager; scanty.
a slim income.
sized for the thinner than average person.
to become slim.
Chiefly British. to try to become more slender, especially by dieting.
small in width relative to height or length
small in amount or quality
slim chances of success
to make or become slim, esp by diets and exercise
to reduce or decrease or cause to be reduced or decreased
See slender.
1650–60; < Dutch slim sly, (earlier) crooked (cognate with German schlimm bad, (earlier) crooked)
Anything slim is thin or narrow. So, your sister may be considered slim, and you could also have "a slim chance" of winning the lottery. Slim people are slender, and slim things are usually delicate, like a slim watch band. You can also use slim to describe a margin or a chance: "There was only a slim likelihood that the home team would win this game." Back in the early 1800s, to slim meant "to do one's work carelessly," and in the seventeenth century, the adjective was also used to mean "sly or crafty."
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Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The following year, Pulte even produced a slim volume annotating some of his grandfather’s sayings and quotations.
From Salon • Jun. 9, 2026
Now, because of a mix of slim restaurant margins, inflation, a national protein obsession and consumer expectations, the beloved yardbird has become a proxy for the affordability crisis.
From The Wall Street Journal • Jun. 5, 2026
Hopes for his survival were slim as oxygen levels at that altitude are critically low.
From BBC • Jun. 4, 2026
The margins are so slim, however, that if a hitter isn’t convinced enough on a borderline strike call, and the situation dictates caution, he may not challenge.
From Los Angeles Times • May 29, 2026
The idea was a slim shot, but just maybe...
From "Beasts of Prey" by Ayana Gray
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.
