Definition

1. Adjective:
   • Causing one to believe what is not true or fail to believe what is true; deceptive. Describes something that creates a false impression or belief, often in a misleading or illusory way.

Usage and Examples

• Adjective:
  • The calm before the storm was delusory. (The apparent peace was misleading and did not indicate the danger to come.)
  • He was chasing a delusory dream of instant wealth. (He was pursuing a dream based on a false or deceptive idea.)
  • The initial success proved delusory, as the project soon failed. (The early signs of success were deceptive and not an accurate indicator of the final outcome.)

Advanced Usage

• In a psychological or philosophical context: Can describe perceptions, ideas, or hopes that are based on a misinterpretation of reality.
  • The philosopher argued that sensory experience is fundamentally delusory.
• As a formal or literary alternative to "deceptive" or "illusory": Often used to add a nuance of something being not just false, but actively creating a mistaken belief.
  • The oasis was a delusory mirage that vanished as they approached.

Variants and Related Words

• Delusion (n): A false belief held despite strong evidence against it; a misconception.
  • He suffered from the delusion that he was being followed.
• Delusive (adj): Another adjective form with essentially the same meaning as "delusory."
  • They offered delusive promises of a quick fix.
• Illusory (adj): Based on illusion; not real. Often used interchangeably with "delusory," though "illusory" can emphasize something being unreal, while "delusory" emphasizes causing a false belief.
  • An illusory sense of security.

Synonyms

• Deceptive: Misleading, likely to give a wrong impression.
• Illusory: Based on illusion; not real.
• Fallacious: Based on a mistaken belief.
• Misleading: Giving the wrong idea or impression.

Antonyms

• Genuine: Truly what it is said to be; authentic.
• Real: Actually existing as a thing or occurring in fact.
• Authentic: Of undisputed origin; not a copy.
• Truthful: Telling or expressing the truth; honest.

Adjective

1. causing one to believe what is not true or fail to believe what is true
   • deceptive calm
   • a delusory pleasure