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“monomaniacal”
monomaniacal (adjective)
A reference to or a descriptive term for someone who has an intense concentration on or exaggerated enthusiasm for a single subject or idea.
This entry is located in the following units:
mania-, -mania, -maniac, -maniacal, -manic, -manically, -maniacally
(page 17)
mono-, mon-
(page 8)