conventional
Americanadjective
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conforming or adhering to accepted standards, as of conduct or taste.
conventional behavior.
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pertaining to convention or general agreement; established by general consent or accepted usage; arbitrarily determined.
conventional symbols.
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ordinary rather than different or original.
conventional phraseology.
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not using, making, or involving nuclear weapons or energy; nonnuclear.
conventional warfare.
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Art.
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in accordance with an accepted manner, model, or tradition.
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(of figurative art) represented in a generalized or simplified manner.
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of or relating to a convention, agreement, or compact.
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Law. resting on consent, express or implied.
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of or relating to a convention or assembly.
adjective
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following the accepted customs and proprieties, esp in a way that lacks originality
conventional habits
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established by accepted usage or general agreement
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of or relating to a convention or assembly
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law based upon the agreement or consent of parties
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arts represented in a simplified or generalized way; conventionalized
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(of weapons, warfare, etc) not nuclear
noun
Synonym Usage
See formal 1.
Other Word Forms
Etymology
Origin of conventional
From the Late Latin word conventiōnālis, dating back to 1575–85. See convention, -al 1
Explanation
Conventional is an adjective for things that are normal, ordinary, and following the accepted way. Ho-hum. This word describes what is typical and ordinary and that which follows accepted standards of behavior or taste. This is a word that's current definition is still very similar to its Latin root, conventionalis, which is "pertaining to an agreement." One way this word is used is with respect to conventional weapons, as in those "not using, making, or involving nuclear weapons or energy; nonnuclear."
Vocabulary lists containing conventional
30 GRE Words Beginning with "B" & "C"
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Essential English Vocabulary, List 2
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The Omnivore's Dilemma
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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.
Unlike conventional electronic systems, which waste energy as heat, superconductors can transmit electricity without resistance.
From Science Daily • Jun. 17, 2026
“Los Angeles has a big community of people who are not conventional artists.”
From Los Angeles Times • Jun. 16, 2026
Lady Donaldson is facing a trial of the facts after she was previously deemed unfit to face a conventional trial on mental health grounds, and is therefore not participating in proceedings.
From BBC • Jun. 16, 2026
Days later, the Pentagon said 5,000 U.S. soldiers would leave by year-end and that the U.S. would no longer be sending a battalion equipped with conventional long-range missiles to deter Russia, as agreed in 2024.
From The Wall Street Journal • Jun. 15, 2026
He typed the date and salutation and plunged straight into a conventional apology for his “clumsy and inconsiderate behavior.”
From "Atonement" by Ian McEwan
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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.