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Definition of thickheaded

thickheaded

/ˌθɪkˈhɛd.ɪd/
thick · head · ed
Adverb:thickheadedly
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thickheaded Lexical Profile

thickheaded Game Scores & Validity

• adjective

1

Slow to understand or learn; lacking intelligence or mental acuity.

Example

"It was a thickheaded mistake to ignore the clear warning signs on the financial report."

2

Unreasonably stubborn, obstinate, or unwilling to listen to reason.

Example

"He was too thickheaded to admit that his initial routing plan was flawed."

Synonyms
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Antonyms
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• Rhymes for thickheaded

• Nearby Words

thickening
thicket
thickhead
thickheaded
thickie
thickish
thickly

Cite this Entry

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