Synonyms of conventional
1
: formed by agreement or compact
2
a
: according with, sanctioned by, or based on convention
conventional spelling
conventional morality
b
: lacking originality or individuality : trite
Most of her books are conventional detective stories.
c(1)
: ordinary, commonplace
conventional medications
(2)
: nonnuclear sense 1
conventional warfare
3
a
: according with a mode of artistic representation that simplifies or provides symbols or substitutes for natural forms
b
: of traditional design
4
: of, resembling, or relating to a convention, assembly, or public meeting
conventionally adverb
Choose the Right Synonym for conventional

ceremonial, ceremonious, formal, conventional mean marked by attention to or adhering strictly to prescribed forms.

ceremonial and ceremonious both imply strict attention to what is prescribed by custom or by ritual, but ceremonial applies to things that are associated with ceremonies,

a ceremonial offering

ceremonious to persons given to ceremony or to acts attended by ceremony.

made his ceremonious entrance

formal applies both to things prescribed by and to persons obedient to custom and may suggest stiff, restrained, or old-fashioned behavior.

a formal report
the headmaster's formal manner

conventional implies accord with general custom and usage

conventional courtesy

and may suggest a stodgy lack of originality or independence.

conventional fiction

Examples of conventional in a Sentence

The number sign is the conventional symbol for labeling something measured in pounds. While microwaves heat up food more quickly, most food tastes better when it is cooked in a conventional oven. Most of her books are conventional detective stories. His views on dating are more conventional than those of some of his friends.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Pretoria wants American investors to build smelters, factories, and processing facilities in South Africa, rather than relying principally on conventional offtake agreements with local mines. — Alexis Akwagyiram, semafor.com, 21 Sep. 2026 Because mRNA vaccines can be produced faster than conventional shots, manufacturers may eventually be able to wait longer before deciding which strains to target — and respond faster if circulating strains change. — Sally C. Pipes, Chicago Tribune, 20 Sep. 2026 According to Raytron, its dedicated Infrared Vision-Language Model is designed around these characteristics rather than treating thermal images simply as another form of conventional imagery. — Prabhat Ranjan Mishra, Interesting Engineering, 20 Sep. 2026 The growth of an unregulated market Due to the dearth of conventional property insurance, insurance brokers, real estate agents and homeowners said, there is a surge taking place in the sale of unregulated policies. — Paige St. John, Los Angeles Times, 20 Sep. 2026 See All Example Sentences for conventional

Word History

Etymology

see convention

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of conventional was in the 15th century

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Cite this Entry

“Conventional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conventional. Accessed 25 Sep. 2026.

Kids Definition

conventional

adjective
con·​ven·​tion·​al kən-ˈvench-nəl How to pronounce conventional (audio)
-ˈven-chən-ᵊl
: following, agreeing with, or based on convention
conventional people
conventional remarks
a conventional detective story
conventionally
-ē
adverb

Legal Definition

conventional

adjective
1
: based on, settled by, or formed by agreement : contractual compare judicial sense 2, legal sense 2c
2
: of, like, or relating to a convention or public meeting
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