lizard brain
lizard brain · lizard brains
The most primitive part of the brainThe most primitive part of the brain; the brain stem.
Meaning
4 senses(informal)The most primitive part of the brain; the brain stem.
(broadly)Any part of a person's psyche or personality dominated by instinct or impulse rather than rational thought.
(broadly)Any part of a person's mind concerned with automatic, repetitive tasks rather than emotion.
Used other than figuratively or idiomatically: see lizard, brain.
Forms
plural: lizard brains| Singular | lizard brain |
|---|---|
| Plural | lizard brains |
regular
Synonyms
2 synonymsWord family
1 related wordsDerivedlizard-brained