mold
1 Americannoun
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a hollow form or matrix for giving a particular shape to something in a molten or plastic state.
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the shape created or imparted to a thing by a mold.
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something formed in or on a mold.
a mold of jelly.
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a frame on which something is formed or made.
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shape or form.
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a prototype, example, or precursor.
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a distinctive nature, character, or type.
a person of a simple mold.
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Shipbuilding.
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a three-dimensional pattern used to shape a plate after it has been softened by heating.
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a template for a frame.
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Architecture.
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a molding.
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a group of moldings.
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verb (used with object)
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to work into a required shape or form; shape.
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to shape or form in or on a mold.
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Metallurgy. to form a mold of or from, in order to make a casting.
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to produce by or as if by shaping material; form.
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to have influence in determining or forming.
to mold the character of a child.
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to ornament with moldings.
noun
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a growth of minute fungi forming on vegetable or animal matter, commonly as a downy or furry coating, and associated with decay or dampness.
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any of the fungi that produce such a growth.
verb (used with or without object)
noun
Other Word Forms
- moldability noun
- moldable adjective
- mouldability noun
- mouldable adjective
Etymology
Origin of mold1
First recorded in 1175–1225; Middle English noun molde, moulde “pattern, model, mold,” from Anglo-French molde, from Old French molle, modle, moule, from Latin modulus “standard unit (of measurement)”; the verb is derivative of the noun; mode
Origin of mold2
First recorded in 1300–50; Middle English moulde, molde, apparently noun use of variant of earlier (i)mouled, moueld, past participle of moule(n), muhlen “to grow moldy, spoil, rot”; from Old Norse; compare Old Icelandic mygla, Swedish mögla, both meaning “to become moldy”
Origin of mold3
First recorded before 900; Middle English molde, moulde, mulde “dirt, loose earth, soil; earth or soil of a grave,” Old English molde “dust, sand, earth, the earth”; cognate with Gothic mulda “dust,” Old Icelandic mold “earth, mold,” Old High German molta “dust”; akin to meal 2, mill 1
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 story of his death broke the show’s mold, unfolding in nonlinear fashion.
From Los Angeles Times • Mar. 25, 2026
“The Bachelorette” acknowledged this in its way with this season’s tagline: “If you don’t fit the mold, break it.”
From Salon • Mar. 21, 2026
They discovered that when microscopic organisms such as yeast and mold fed on the kelp, the byproduct more closely resembled what they were seeking.
From The Wall Street Journal • Mar. 18, 2026
In 2023, Spelling made headlines when it was revealed that she lived in an RV following a severe mold issue in her previous rental, which caused chronic illnesses.
From MarketWatch • Feb. 20, 2026
The hospital was a Goliath of brown brick and gleaming glass, looming over a green lawn as bright as bread mold.
From "The City Beautiful" by Aden Polydoros
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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.