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mental dullness; apathy.
1. Rarely used term denoting foolishness or dullness of comprehension. Synonym(s): hebetude
2. Rarely used term for a mental state marked by frivolity, joviality, an inveterate tendency to jest, and inability to take anything seriously.
[G. mōria, folly, fr. mōros, stupid, dull]
hebetude/heb·e·tude/ (heb´ĕ-tldbomacd) dullness; apathy.
Etymology: L, hebeo, to be blunt
a state of dullness or lethargy, characteristic of some forms of schizophrenia.