It was apparent to all but himself that what was once idle curiosity had become a monomania.
Source: wiktionary
Monomania
//ˌmɒnəʊˈmeɪnɪə//
Synonyms for "monomania" (40 found)
Ranked by relevance and common usage.
Closest matches (8)
Strong matches (12)
Related words (20)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Translations
11 translations across 11 languages.
Dutch
1 entries- monomanie noun (an excessive interest with a single subject)
Finnish
1 entries- monomania noun (an excessive interest with a single subject)
French
1 entries- monomanie noun (an excessive interest with a single subject)
Galician
1 entries- monomanía noun (an excessive interest with a single subject)
German
1 entries- Monomanie noun (an excessive interest with a single subject)
Greek
1 entries- μονομανία noun (an excessive interest with a single subject)
Italian
1 entries- monomania noun (an excessive interest with a single subject)
Norwegian Bokmål
1 entries- monomani noun (an excessive interest with a single subject)
Norwegian Nynorsk
1 entries- monomani noun (an excessive interest with a single subject)
Spanish
1 entries- monomanía noun (an excessive interest with a single subject)
Swedish
1 entries- monomani noun (an excessive interest with a single subject)
Sample sentences
2 total sentences available.
“There are no limits to the possibilities of monomania,” I answered. “There is the condition which the modern French psychologists have called the ‘idée fixe,’ which may be trifling in character, and accompanied by complete sanity in every other way. A man who had read deeply about Napoleon, or who had possibly received some hereditary family injury through the great war, might conceivably form such an ‘idée fixe’ and under its influence be capable of any fantastic outrage.”
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.