Synonyms of 'simpleton'
noun
a foolish or stupid person
He was a lightweight, a political simpleton.halfwit
I'm a mindless optimist, a cheery halfwit.
fool
She'd been a fool to get involved with him.
idiot
I knew I'd been an idiot to stay there.
charlie (British, informal)
goose (informal)
jerk (slang, mainly US, Canadian)
He'd tricked her into walking into the garbage, to make her look like a total jerk!
berk (British, slang)
wally (slang)
booby
Her husband is a booby.
geek (slang)
chump
dunce
He was a dunce at mathematics.
oaf
some oaf shouting into his phone
dullard (old-fashioned)
dipstick (British, slang)
dickhead (taboo, slang)
gonzo (slang)
schmuck (US, slang)
dork (slang)
dolt
He's a first class dolt.
blockhead
a bunch of bowler-hatted blockheads
greenhorn (informal)
ninny
nincompoop
Only a complete nincompoop would believe a story like that.
dweeb (US, slang)
putz (US, slang)
fathead (informal)
Simple Simon
weenie (US, informal)
eejit (Scottish, Irish)
thicko (British, slang)
dumb-ass (slang)
gobshite (Irish, taboo, slang)
numpty (Scottish, informal)
doofus (slang, mainly US)
fuckwit (taboo, slang)
dickwit (taboo, slang)
nerd or nurd (slang)
numskull or numbskull
twerp or twirp (informal)
dorba or dorb (Australian, slang)
bogan (Australian, slang)
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Additional synonyms
blockhead
a stupid person
a bunch of bowler-hatted blockheads
charlie (British, informal)
berk (British, slang)
noodle
wally (slang)
prat (slang)
plonker (slang)
bimbo (slang)
geek (slang)
bonehead (slang)
chump (informal)
dullard (old-fashioned)
dimwit (informal)
dipstick (British, slang)
dickhead (taboo, slang)
gonzo (slang)
schmuck (US, slang)
dorba or dorb (Australian, slang)
bogan (Australian, slang)
dork (slang)
pillock (British, slang)
dweeb (US, slang)
putz (US, slang)
fathead (informal)
eejit (Scottish, Irish)
thicko (British, slang)
dumb-ass (slang)
gobshite (Irish, taboo, slang)
numpty (Scottish, informal)
doofus (slang, US)
fuckwit (taboo, slang)
dickwit (taboo, slang)
nerd or nurd (slang)
numbskull or numskull
booby
an ignorant or foolish person
Her husband is a booby.
berk (British, slang)
wally (slang)
prat (slang)
plonker (slang)
geek (slang)
goof (informal)
duffer (informal)
dimwit (informal)
dipstick (British, slang)
dickhead (taboo, slang)
gonzo (slang)
schmuck (US, slang)
dork (slang)
dorba or dorb (Australian, slang)
bogan (Australian, slang)
pillock (British, slang)
dweeb (US, slang)
putz (US, slang)
fathead (informal)
weenie (US, informal)
charlie (British, informal)
muggins (British, slang)
eejit (Scottish, Irish)
thicko (British, slang)
dumb-ass (slang)
gobshite (Irish, taboo, slang)
numpty (Scottish, informal)
doofus (slang, US)
lamebrain (informal)
fuckwit (taboo, slang)
dickwit (taboo, slang)
nerd or nurd (slang)
numbskull or numskull
dolt
a stupid person
He's a first class dolt.
dope (informal)
charlie (British, informal)
berk (British, slang)
wally (slang)
prat (slang)
plonker (slang)
geek (slang)
chump (informal)
dullard (old-fashioned)
dimwit (informal)
dipstick (British, slang)
gonzo (slang)
schmuck (US, slang)
dork (slang)
nitwit (informal)
dweeb (US, slang)
putz (US, slang)
fathead (informal)
eejit (Scottish, Irish)
thicko (British, slang)
dumb-ass (slang)
gobshite (Irish, taboo, slang)
numpty (Scottish, informal)
doofus (slang, US)
lamebrain (informal)
fuckwit (taboo, slang)
dickwit (taboo, slang)
nerd or nurd (slang)
numbskull or numskull
dorba or dorb (Australian, slang)
bogan (Australian, slang)
Nearby words of 'simpleton'
Source
Thesaurus for simpleton from the
Collins English Thesaurus