Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

illusory

play
adjective il·lu·so·ry \i-ˈlüs-rē, -ˈlüz-; -ˈlü-sə-, -zə-\

Simple Definition of illusory

  • : based on something that is not true or real : based on an illusion

Source: Merriam-Webster's Learner's Dictionary

Full Definition of illusory

  1. :  based on or producing illusion :  deceptive <illusory hopes>

illusorily

play \-rə-lē\ adverb

illusoriness

play \-rē-nəs\ noun

Examples of illusory in a sentence

  1. an illusory sense of security



Circa 1631

First Known Use of illusory

circa 1631

Synonym Discussion of 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>.

ILLUSORY Defined for Kids

illusory

play
adjective il·lu·so·ry \i-ˈlü-sə-rē\

Definition of illusory for Students

  1. :  based on something that is not true or real <an illusory hope>




Medical Dictionary

illusory

play play
adjective il·lu·so·ry \il-ˈüs-(ə-)rē, -ˈüz-\

Medical Definition of illusory

  1. :  based on or producing illusion :  being deceptive <the search for the ultimate cure-all for a hangover has proved illusory—M. L. Herndon>




Law Dictionary

illusory

play
adjective il·lu·so·ry \i-ˈlü-sə-rē, -zə-rē\

Legal Definition of illusory

  1. :  likely to mislead or deceive :  false, deceptive <an illusory plea bargain leading to a longer sentence than expected>




Learn More about illusory


Seen and Heard

What made you want to look up illusory? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alphabet-pasta-spelling-help

Which is the correct spelling?

acommodate accommodate accomodate acommadate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ