blockhead

As nouns the difference between lunkhead and blockhead

is that lunkhead is derogatory term for a fool or idiot usually used as an insult when angry while blockhead is (colloquial) a stupid person.

As nouns the difference between meathead and blockhead

is that meathead is (slang) an ungainly, dull or stupid person; someone who is lazy, disrespectful and/or whose beliefs and philosophies clash with another while blockhead is (colloquial) a stupid person.

Featherbrain is a related term of blockhead.

As nouns the difference between featherbrain and blockhead

is that featherbrain is while blockhead is (colloquial) a stupid person.

As nouns the difference between dumbass and blockhead

is that dumbass is (us|vulgar|slang) a stupid or foolish person while blockhead is (colloquial) a stupid person.

As an adjective dumbass

is stupid, foolish.

As nouns the difference between blockhead and dickhead

is that blockhead is a stupid person while dickhead is the glans penis.

Blockhead is a related term of dunderhead.

As nouns the difference between blockhead and dunderhead

is that blockhead is (colloquial) a stupid person while dunderhead is a stupid person; a dunce.

Nincompoop is a synonym of blockhead.

As nouns the difference between nincompoop and blockhead

is that nincompoop is a silly or foolish person while blockhead is (colloquial) a stupid person.

Scatterbrain is a related term of blockhead.

As nouns the difference between scatterbrain and blockhead

is that scatterbrain is a flighty, disorganized or forgetful person while blockhead is (colloquial) a stupid person.

Blockhead is a related term of nitwit.

As nouns the difference between blockhead and nitwit

is that blockhead is (colloquial) a stupid person while nitwit is a scatterbrained or stupid person.