Synonyms for

Delusional

Verb / dɪˈlu:ʒʌnʌl / Another word for delusional — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

having false or unrealistic beliefs or opinions

Synonyms & similar words

unrealistic irrational fantastical illusory fanciful misguided unfounded illusional delusive dreamlike imaginary unreasonable groundless unsubstantial chimerical phantasmal fictitious fabricated fictive invented

Synonyms by register

Formal

erroneous fallacious misguided unfounded

Informal

crazy nuts bonkers off your rocker

Literary

phantasmal chimerical illusory

Antonyms

rational sane realistic grounded sensible clear-headed logical

Common collocations

  • delusional disorder
  • delusional beliefs
  • delusional thinking
  • delusional paranoia
  • delusional episodes
  • utterly delusional
  • completely delusional

Word family

noun delusion
adjective delusional
adverb delusionally

Usage note

Often used in a clinical context to describe false beliefs that are resistant to reason. Can also be used informally to describe someone with unrealistic or unfounded ideas.

Example sentences

  1. She was delusional about her ability to pass the test without studying.
  2. He had a delusional belief that he was a superhero.
  3. Her delusional thinking caused her to make poor decisions.
  4. The patient's delusional behavior concerned the doctors.
  5. He was delusional to think he could win the race without training.

Quotes

  • Delusional people tend to think in black and white, but the world is all grey. - John Green
  • I'm delusional, I'm lost in the game. - Eminem
  • I'm told I'm delusional, but I live in my own world. - Billy Joel

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