Delusional
Delusional adjective - Suffering from or characterized by delusions.
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Synonyms for Delusional
Mental and delusional are semantically related. In some cases you can use "Mental" instead an adjective "Delusional".
Mental
Mental adjective - Having or showing a very abnormal or sick state of mind.
Usage example: humane treatment of mental patients
Delusional and mental are semantically related. Sometimes you can use "Delusional" instead an adjective "Mental".
Mutual synonyms
Related pairs
Both words in one sentence
- For the rest of the series Carl's mental state degrades further and further, no longer being comical and over-the-top, but instead showing that he's genuinely mentally ill and delusional.
Source: Being Evil Sucks -
In the book, Francie, still delusional, is sent to a mental hospital where he writes memoirs about how he killed Mrs Nugent and he attempts to forge a friendship with an inmate similar to the one he had with Joe.
Source: Literature / The Butcher's Boy -
While Ryousuke's mother in Bokura no Hentai does have mental health problems brought on by her daughters death, it's shown she isn't delusional as she seemed.
Source: Obfuscating Insanity
Cite this Source
Mental and Delusional. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/delusional/mental
Delusional & Mental. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/delusional/mental>.
Mental or Delusional. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/delusional/mental.
Google Ngram Viewer shows how "delusional" and "mental" have occurred on timeline