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Definition of peabrain

peabrain

/ˈpiːˌbreɪn/
pea · brain
Plural:peabrains
•
Adjective:pea-brained
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peabrain Lexical Profile

peabrain Game Scores & Validity

• noun

1

A very foolish, unintelligent, or dim-witted person (used informally as an insult).

Example

"Only a complete peabrain would leave the headlights on all night and expect the car to start in the morning."

Synonyms
View all synonyms for peabrain
Antonyms
View all antonyms for peabrain

• Nearby Words

payslip
paywall
pea
peabrain
peace
peace lily
peace river

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Peabrain. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/peabrain
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