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Webster 1828 Edition

Thickheaded

THICK'HEADED

,

Adj.

Having a thick skull; dull; stupid.

Definition 2024

thickheaded

thickheaded

See also: thick-headed

English

Adjective

thickheaded ‎(comparative more thickheaded, superlative most thickheaded)

(informal) stupid, obtuse or dumb.