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.
Unlike conventional industrial robots that rely on rigid structures and external safety barriers, AIR uses a compliant mechanical design intended to reduce the risk of injury during accidental contact. — Jijo Malayil, Interesting Engineering, 9 Nov. 2026 And after meeting Max, we were completely hit by how conventional and boring [traditional life can be] and how many constraints our lives had at home. — Georg Szalai, HollywoodReporter, 8 Nov. 2026 This phenomenon is the same basic principle of electromagnetic induction behind conventional transformers and generators. — New Atlas, 8 Nov. 2026 There’s nostalgia and old world values as well as breaks from conventional and subtle sociopolitical commentary. — Christopher Arnott, Hartford Courant, 7 Nov. 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 9 Nov. 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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