NOTION Synonyms: 146 Similar and Opposite Words

Q: How does the noun 'notion' contrast with its synonyms?

Some common synonyms of notion are conception , concept , idea , impression , and thought . While all these words mean "what exists in the mind as a representation (as of something comprehended) or as a formulation (as of a plan)," notion suggests an idea not much resolved by analysis or reflection and may suggest the capricious or accidental. // you have the oddest notions

Q: When is 'concept' a more appropriate choice than 'notion'?

The words concept and notion can be used in similar contexts, but concept may apply to the idea formed by consideration of instances of a species or genus or, more broadly, to any idea of what a thing ought to be. // a society with no concept of private property

Q: How do 'conception' and 'concept' relate to one another, in the sense of 'notion'?

Conception is often interchangeable with concept ; it may stress the process of imagining or formulating rather than the result. // our changing conception of what constitutes art

Q: When might 'idea' be a better fit than 'notion'?

While in some cases nearly identical to notion , idea may apply to a mental image or formulation of something seen or known or imagined, to a pure abstraction, or to something assumed or vaguely sensed. // innovative ideas // my idea of paradise

Q: Where would 'impression' be a reasonable alternative to 'notion'?

The words impression and notion are synonyms, but do differ in nuance. Specifically, impression applies to an idea or notion resulting immediately from some stimulation of the senses. // the first impression is of soaring height

Q: When can 'thought' be used instead of 'notion'?

In some situations, the words thought and notion are roughly equivalent. However, thought is likely to suggest the result of reflecting, reasoning, or meditating rather than of imagining. // commit your thoughts to paper

notion

noun

ˈnō-shən

Definition of notion

as in novelties

notions plural small useful items the fabric store had a wide variety of thread, pins, buttons, and other notions

Synonyms & Similar Words

Relevance

as in whim

a sudden impulsive and apparently unmotivated idea or action I have a notion to go in-line skating this afternoon

Synonyms & Similar Words

as in belief

an idea that is believed to be true or valid without positive knowledge has this naive notion that most people are basically honest

Synonyms & Similar Words

Antonyms & Near Antonyms

fact
truth

as in idea

something imagined or pictured in the mind that modernistic building does not match my notion of what a country cottage should look like

Synonyms & Similar Words

Antonyms & Near Antonyms

as in concept

an idea or statement about all of the members of a group or all the instances of a situation the popular notion that college athletes are airheads

Synonyms & Similar Words

Synonym Chooser

How does the noun notion contrast with its synonyms?

Some common synonyms of notion are conception, concept, idea, impression, and thought. While all these words mean "what exists in the mind as a representation (as of something comprehended) or as a formulation (as of a plan)," notion suggests an idea not much resolved by analysis or reflection and may suggest the capricious or accidental.

you have the oddest notions

When is concept a more appropriate choice than notion?

The words concept and notion can be used in similar contexts, but concept may apply to the idea formed by consideration of instances of a species or genus or, more broadly, to any idea of what a thing ought to be.

a society with no concept of private property

How do conception and concept relate to one another, in the sense of notion?

Conception is often interchangeable with concept; it may stress the process of imagining or formulating rather than the result.

our changing conception of what constitutes art

When might idea be a better fit than notion?

While in some cases nearly identical to notion, idea may apply to a mental image or formulation of something seen or known or imagined, to a pure abstraction, or to something assumed or vaguely sensed.

innovative ideas

my idea of paradise

Where would impression be a reasonable alternative to notion?

The words impression and notion are synonyms, but do differ in nuance. Specifically, impression applies to an idea or notion resulting immediately from some stimulation of the senses.

the first impression is of soaring height

When can thought be used instead of notion?

In some situations, the words thought and notion are roughly equivalent. However, thought is likely to suggest the result of reflecting, reasoning, or meditating rather than of imagining.

commit your thoughts to paper

Example Sentences

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.

Recent Examples of notion Last night, traders listening to Federal Reserve Chairman Kevin Warsh speak at an IMF event in Bangkok came away with the notion that the central bank will keep rates steady at the end of this month. — Sarah Min, CNBC, 16 Oct. 2026 The show, however, expands the notion of graphic arts beyond the boundaries drawn even by its host, Poster House. — Tessa Solomon, ARTnews.com, 15 Oct. 2026 Where the movies are big, loud, overpopulated machines, the TV series are full of interesting ideas, weird notions and good comedy and give their characters room to breathe. — Los Angeles Times, 14 Oct. 2026 The nod to purity emphasized the paint brand’s relationship to cleanliness and virtue, and possibly other notions of bigotry. — Literary Hub, 14 Oct. 2026 See All Example Sentences for notion

Recent Examples of Synonyms for notion

Noun

Geneva Watch Days ran ahead like clockwork from September 2 to 6, with at least a dozen novelties introduced across the five-day affair.

— Rachel Cormack, Robb Report, 30 Sep. 2026
Founded in 2019, Whatnot built its audience on novelties and collectibles.

— Ryan Baker, CNBC, 1 Sep. 2026

Definition of novelties

Noun

From here on out, the authorship of Tae-ju’s life is ambiguous, as well as constantly in flux, buffeted by the whims and suggestions of others, as well as by her own impulses.

— Guy Lodge, Variety, 14 Oct. 2026
But elevating the whims of progressive activists and government bureaucrats above the wisdom of the marketplace has proven a costly mistake and undermined consumer choice.

— Arkansas Online, Arkansas Online, 5 Oct. 2026

Definition of whim

Noun

Giving Americans $1,000 or $5,000 invested in a technology index is a straightforward idea; The source and use of the funds will likely be of great debate.

— Sarah Cannon, Fortune, 18 Oct. 2026
Both examples demonstrate how local champions and an existing source of funding can help turn a lifesaving idea into reality.

— Meng Yang, Time, 18 Oct. 2026

Definition of idea

Noun

No accident that the likes of Lisa Yuskavage, Sasha Gordon, and Mulligan are regularly invoked in accounts of cringe-adjacent concepts like abjection, disturbance, disquiet.

— Eugenie Brinkema, ARTnews.com, 17 Oct. 2026
Precisely 14 years after launching the Sacramento Burger Battle, Rodney Blackwell is back with a new burger concept, as well as a new takeout ordering platform designed for small food businesses.

— Sean Timberlake, Sacbee.com, 16 Oct. 2026

Definition of concept

Noun

One of Bilton and Weiss’s signature new on-air hires is the conservative writer Ross Douthat, formerly an opinion columnist for the Times.

— Vinson Cunningham, New Yorker, 18 Oct. 2026
Much of its work, particularly on national security matters, remains shielded from public view, but some of the office’s conclusions have emerged in often dense legal opinions.

— Perry Stein, Washington Post, 18 Oct. 2026

Definition of opinion

Noun

Sympathy comes later, unleashed in 18th-century thought through Adam Smith’s Theory of Moral Sentiments (1759).

— Eugenie Brinkema, ARTnews.com, 17 Oct. 2026
Those 20 words--all but three of them single syllables--summon a flood of thoughts and images and memories and ruminations.

— Dana Kelley, Arkansas Online, 16 Oct. 2026

Definition of thought

Browse Nearby Words

noting

notion

notional

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Style

“Notion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/notion. Accessed 19 Oct. 2026.

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Synonyms of notion

noun

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