fortification
Americannoun
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the act of fortifying or strengthening.
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something that fortifies or protects.
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the art or science of constructing defensive military works.
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Often fortifications. military works constructed for the purpose of strengthening a position; a fort.
Supposedly impregnable, the fortifications were quickly overrun.
- Synonyms:
- bulwark, stronghold, citadel, fortress
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a strengthening or improvement, as by addition of or intensification with another ingredient.
the fortification of milk with vitamin D; the fortification of wine with alcohol.
noun
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the act, art, or science of fortifying or strengthening
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a wall, mound, etc, used to fortify a place
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such works collectively
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any place that can be militarily defended
Other Word Forms
Etymology
Origin of fortification
1400–50; late Middle English < Late Latin fortificātiōn- (stem of fortificātiō ), equivalent to fortificāt ( us ) fortified ( see fortify, -ate 1) + -iōn- -ion
Explanation
A fortification is a strong wall, building, or other reinforced structure that's used to defend against attack. In medieval times, castle fortifications protected them from invading armies. If you've ever built a fort in your living room or back yard, you know what a fortification is—fort is the shortened form, and the source word is the Latin fortificare, "make strong." Another meaning of fortification is "the act of making something (or someone) stronger," so you might talk about the fortification your math team got from taking an online calculus class or the fortification of your favorite breakfast cereal with vitamins.
Vocabulary lists containing fortification
Stay Strong: Forc and Fort
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Life Is So Good
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The Last Olympian
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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.
It also brought his MLB-leading batting average to .449 — and wasn’t just icing on the cake but fortification against the Rangers’ hitters who wouldn’t quit.
From Los Angeles Times • Apr. 11, 2026
The government's independent advisory body has looked at all the evidence and is satisfied that fortification is the right course of action for society as a whole.
From BBC • Nov. 14, 2024
A forthcoming study, set to launch in summer 2024, will look at iron fortification for children ages 3 to 5.
From Science Daily • Jun. 19, 2024
Cereal grain fortification also started as voluntary to give manufacturers time to implement changes, but the runway was much shorter: It graduated from voluntary to mandatory in under a year.
From Seattle Times • May 15, 2024
The ship slid by for what seemed like a mile, a mile of high, black canyon wall, a mile of castle fortification with not a single sentinel to notice us languishing in the moat.
From "Life of Pi" by Yann Martel
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.
