nitwit

Ninny is a related term of nitwit.

As nouns the difference between ninny and nitwit

is that ninny is a silly or foolish person while nitwit is a scatterbrained or stupid person.

Nitwit is a related term of idiot.

As nouns the difference between nitwit and idiot

is that nitwit is a scatterbrained or stupid person while idiot is (slang|derogatory) a proponent of intelligent design.

As nouns the difference between dunderhead and nitwit

is that dunderhead is a stupid person; a dunce while nitwit is a scatterbrained or stupid person.

Duffer is a related term of nitwit.

As nouns the difference between duffer and nitwit

is that duffer is (male) dove, cock pigeon while nitwit is a scatterbrained or stupid person.

Featherbrain is a related term of nitwit.

As nouns the difference between featherbrain and nitwit

is that featherbrain is while nitwit is a scatterbrained or stupid person.

Noodle is a related term of nitwit.

As nouns the difference between noodle and nitwit

is that noodle is (usually in plural) a string or strip of pasta while nitwit is a scatterbrained or stupid person.

As a verb noodle

is (fishing) to fish (usually for very large catfish) without any equipment other than the fisherman's own body.

Bonehead is a related term of nitwit.

As nouns the difference between bonehead and nitwit

is that bonehead is (slang) someone who is stubborn, thick-skulled, or stupid while nitwit is a scatterbrained or stupid person.

As nouns the difference between nimwit and nitwit

is that nimwit is a dimwit while nitwit is a scatterbrained or stupid person.

As a noun nitwit

is a scatterbrained or stupid person.

As an adjective nitwitted is

being like a nitwit; being stupid or foolish.