ILLUSORY Synonyms: 74 Similar and Opposite Words

Q: How does the adjective 'illusory' contrast with its synonyms?

Some common synonyms of illusory are apparent , ostensible , and seeming . While all these words mean "not actually being what appearance indicates," illusory implies a false impression based on deceptive resemblance or faulty observation, or influenced by emotions that prevent a clear view. // an illusory sense of security

Q: When is 'apparent' a more appropriate choice than 'illusory'?

The synonyms apparent and illusory are sometimes interchangeable, but apparent suggests appearance to unaided senses that may or may not be borne out by more rigorous examination or greater knowledge. // the apparent cause of the accident

Q: When is it sensible to use 'ostensible' instead of 'illusory'?

The meanings of ostensible and illusory largely overlap; however, ostensible suggests a discrepancy between an openly declared or naturally implied aim or reason and the true one. // the ostensible reason for their visit

Q: When could 'seeming' be used to replace 'illusory'?

While the synonyms seeming and illusory are close in meaning, seeming implies a character in the thing observed that gives it the appearance, sometimes through intent, of something else. // the seeming simplicity of the story

illusory

adjective

Definition of illusory

as in imaginary

formal based on something that is not true or real; based on an illusion an illusory hope an illusory sense of security

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How does the adjective illusory contrast with its synonyms?

Some common synonyms of illusory are apparent, ostensible, and seeming. While all these words mean "not actually being what appearance indicates," illusory implies a false impression based on deceptive resemblance or faulty observation, or influenced by emotions that prevent a clear view.

an illusory sense of security

When is apparent a more appropriate choice than illusory?

The synonyms apparent and illusory are sometimes interchangeable, but apparent suggests appearance to unaided senses that may or may not be borne out by more rigorous examination or greater knowledge.

the apparent cause of the accident

When is it sensible to use ostensible instead of illusory?

The meanings of ostensible and illusory largely overlap; however, ostensible suggests a discrepancy between an openly declared or naturally implied aim or reason and the true one.

the ostensible reason for their visit

When could seeming be used to replace illusory?

While the synonyms seeming and illusory are close in meaning, seeming implies a character in the thing observed that gives it the appearance, sometimes through intent, of something else.

the seeming simplicity of the story

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 illusory As a result, any illusory effects would likely be lost on a viewer. — Emma Gometz, Scientific American, 22 Sep. 2026 His prayerful recognition of God’s supremacy and government of the universe refreshed his heart and lifted his thought above the human fears and limitations that plague an illusory, material sense of existence. — The Christian Science Monitor, Christian Science Monitor, 15 Sep. 2026 For a while, these institutions appeared capable of operating without their founding cause, but that hope proved illusory. — Faisal Devji, Time, 11 Sep. 2026 The switch from celluloid to computer chips saw the movies transform from an illusory art form to a representative one, at the great and continued risk of forfeiting its original power. — David Ehrlich, IndieWire, 10 Sep. 2026 See All Example Sentences for illusory

Recent Examples of Synonyms for illusory

Adjective

The book used an imaginary dialogue between two women to explain the principles of economics, collecting the ideas of the new science together in a way that had never before been attempted.

— Literary Hub, Literary Hub, 26 Oct. 2026
Bill Irwin isn’t going anywhere — knock on all available wood — except quickly to the imaginary bathroom just off stage right several times a night as his character’s regimen of enemas kicks in.

— Sara Holdren, Vulture, 23 Oct. 2026

Definition of imaginary

Adjective

As on television, Seyfried nails Holmes’s wide eyes, unsteady mannerisms, deep voice, and mysterious vocal cadence that makes the character both unreal and oddly human.

— Jackson McHenry, Vulture, 17 Oct. 2026
If there were any more life to the filmmaking, this tension could least be interesting, but the results are both perky and inert, unreal but entirely unmoored in time and space.

— Guy Lodge, Variety, 17 Oct. 2026

Definition of unreal

Adjective

On the score, rookie cornerback Mansoor Delane had ideal coverage and the Chiefs brought eight on a blitz.

— Blair Kerkhoff, Kansas City Star, 26 Oct. 2026
The town is also an ideal jumping-off point for exploring the surrounding Dolomites, with lifts taking visitors to Seceda and Alpe di Siusi.

— Condé Nast, Condé Nast Traveler, 26 Oct. 2026

Definition of ideal

Adjective

The second scenario in the speculative design research is built around an imagined service called Paren’t, which proposes to preserve a parent’s AI-powered postmortem presence for their child.

— Lissa Soep, Vox, 17 Oct. 2026
Drawn to the tactile and familiar qualities of paper, Teo uses playful forms and visual metaphors to transform everyday subjects and construct whimsical, imagined worlds.

— New York Times Games, New York Times, 4 Oct. 2026

Definition of imagined

Adjective

Peter [Merry] likes to use is that, when a caterpillar is becoming a butterfly, new ‘imaginal cells’ emerge.

— Big Think, Big Think, 7 Aug. 2025
With one technique, for example—called imaginal exposure—you might be asked to visualize the process of going to the airport, boarding the plane, and experiencing a bad bout of turbulence.

— Angela Haupt, TIME, 10 May 2024

Definition of imaginal

Adjective

Friedman began her remarks by reminding the audience of von Furstenberg’s unlikely beginning, born in Brussels to a Holocaust survivor.

— Ariel Bielsky, Vogue, 24 Oct. 2026
Dahlia Scheindlin, a veteran pollster who works for left-of-center candidates and parties in Israel, speculated that the number of returning overseas voters was unlikely to be big enough to change the outcome of the election.

— Daniel Brook, New Yorker, 24 Oct. 2026

Definition of unlikely

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illusory

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“Illusory.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illusory. Accessed 27 Oct. 2026.

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