Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A set of three
behavioral characteristics —cruelty toanimals ,firesetting , andbedwetting past the age of five — claimed to be associated with laterviolent tendencies.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Named after John Macdonald (psychiatrist), who proposed it in the 1960s.
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