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Meaning of sponge-brained | Babel Free

Adjective CEFR C2

Definitions

Dull, witless, or unintelligent.

derogatory, not-comparable, slang, uncommon

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

spongeable spongeless spongelike spongeous spongeworthy spongey