| monomania | <psychiatry> Derangement of the mind in regard of a single subject only; also, such a concentration of interest upon one particular subject or train of ideas to show mental derangement. Synonym: Insanity, madness, alienation, aberration, derangement, mania. See Insanity. Origin: Mono- + mania. Source: Websters Dictionary (01 Mar 1998) |
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| monomaniac | A person affected by monomania. See: monomaniacal. (14 Mar 2000) |
| monomaniacal | Affected with monomania, or partial derangement of intellect; caused by, or resulting from, monomania; as, a monomaniacal delusion. Origin: Cf. F. Monomaniaque. Source: Websters Dictionary (01 Mar 1998) |