Trojan
Americanadjective
noun
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a native or inhabitant of Troy.
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a person who shows pluck, determination, or energy.
to work like a Trojan.
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Computers. Trojan horse.
noun
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a native or inhabitant of ancient Troy
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a person who is hard-working and determined
adjective
Etymology
Origin of Trojan
First recorded in 1350–75; Middle English Troyan, Troian, from Latin Trōjānus, equivalent to Trōj(a) + -ānus adjective suffix; see Troy, -an
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.
Scientists refer to this as a Trojan horse effect, and the researchers say it may also play a role in the spread of antibiotic resistance.
From Science Daily • Jun. 6, 2026
This past spring, he served as the editor in chief of his campus newspaper, the Daily Trojan.
From Los Angeles Times • May 26, 2026
The Oscar winner will play Helen, whose beauty famously "launched a thousand ships" and resulted in the Trojan war, according to Homer's ancient Greek legend.
From BBC • May 22, 2026
This process is often described as a so called Trojan horse effect.
From Science Daily • May 2, 2026
Once the all-purpose solution, Washington was now the still-potent problem, a kind of Trojan horse planted squarely in the Virginia fortress.
From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis
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.
