illusory

adjective

il·​lu·​so·​ry i-ˈlü-sə-rē  -ˈlü-zə- 

-ˈlüs-,

-ˈlüz-

: based on or producing illusion : deceptive

illusory hopes

illusorily

i-ˈlü-sə-rə-lē 

-ˈlü-zə-;

-ˈlüs-

-ˈlüz-

adverb

illusoriness

i-ˈlü-sə-rē-nəs 

-ˈlü-zə-;

-ˈlüs-

-ˈlüz-

noun

Choose the Right Synonym for illusory

apparent, illusory, seeming, ostensible mean not actually being what appearance indicates.

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

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

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

ostensible suggests a discrepancy between an openly declared or naturally implied aim or reason and the true one.

the ostensible reason for their visit

Examples of illusory in a Sentence

an illusory sense of security

Recent Examples on the Web

Perhaps nothing demonstrates the illusory pursuit of the truth like the story of Ikilimu Bilbis, the traveler who arrived in the ancient city of Timbuktu to glimpse the Book of Absolute Truth, a tome that contained the answer to every question in the universe. —Abubakar Adam Ibrahim, The Dial, 4 Mar. 2025

Instead of an illusory peace, Washington should help Ukraine determine the rules of engagement with Russia, and through these rules, the war could gradually be minimized. —Michael Kimmage, Foreign Affairs, 25 Feb. 2025

But that moment of enjoyment is only a brief, illusory respite from Ahmet’s laborious responsibilities herding sheep and caring for his kid brother Naim (Agush Agushev), the picture of innocence and adorableness, who hasn’t spoken since their mother died. —Carlos Aguilar, Variety, 25 Jan. 2025

Exploring the theme of alternate worlds, Lynch thrusts Madison into an illusory realm inhabited by killers, drug dealers and pornographers by merging his identity into that of young mechanic named Pete Dayton. —Billy J. Stratton, The Conversation, 17 Jan. 2025

Word History

First Known Use

circa 1631, in the meaning defined above

Rhymes for illusory

• conclusory

Kids Definition

illusory

adjective

il·​lu·​so·​ry il-ˈüs-(ə-)rē 

-ˈüz-

: based on or producing illusion : deceptive

an illusory hope

Medical Definition

illusory

adjective

il·​lu·​so·​ry il-ˈüs-(ə-)rē  -ˈüz- 

: based on or producing illusion : being deceptive

the search for the ultimate cure-all for a hangover has proved illusory

—M. L. Herndon

Legal Definition

illusory

adjective

il·​lu·​so·​ry i-ˈlü-sə-rē, -zə-rē 

: likely to mislead or deceive : false, deceptive

an illusory plea bargain leading to a longer sentence than expected