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

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

After a national Senate election in which Cruz’s closing pitch focused on the illusory threat of naked men in high school girls’ locker rooms, Texas Republicans have also filed dozens of anti-trans bills, the Dallas Observer reported. —Saul Elbein, The Hill, 30 Dec. 2024

Chevron top pick If oil prices don’t budge, Trump’s desire to increase production could prove illusory, at least in the short- to medium term. —Spencer Kimball, CNBC, 18 Dec. 2024

Word History

First Known Use

circa 1631, in the meaning defined above

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