Fool (9)

(Other definitions for simpleton that I've seen before include "Fool" , "Gullible type" , "Halfwit" , "Blockhead" , "Ass" .)

(Other definitions for idiot that I've seen before include "Dostoevsky hero" , "Oaf" , "Imbecile" , "Unwise person" , "Moron, fool" .)

(Other definitions for twerp that I've seen before include "Silly-billy" , "Nincompoop" , "Pillock" , "Silly person" , "Foolish person (slang)" .)

(Other definitions for dunce that I've seen before include "Old word for person slow at learning" , "One who's bottom of the class?" , "Stupid person" , "School fool" , "Foolish cap wearer" .)

(Other definitions for clown that I've seen before include "Circus comedian" , "Act comically" , "Comic entertainer; fool" , "Slapstick entertainer" , "Comic performer" .)

(Other definitions for chump that I've seen before include "Foolish person" , "Fool - sort of chop" , "Dolt" , "Fool - end piece of meat" , "Nitwit" .)

(Other definitions for trick that I've seen before include "Con" , "Stratagem to take at cards" , "Strategem" , "Round of played cards" , "Practical joke" .)

(Other definitions for ninny that I've seen before include "Silly billy" , "Simpleton" , "Fool" , "dope" , "Stupid foolish person" .)

(Other definitions for booby that I've seen before include "Pink-footed seabird" , "Stupid person" , "Sort of trap" , "marine bird" , "Gannet" .)

(Other definitions for wally that I've seen before include "Complete idiot" , "Idiot (slang)" , "A fool (sl.)" .)

(Other definitions for ass that I've seen before include "transporter" , "Silly fellow in passionate state" , "Donkey - one that's foolish" , "Titania loved one" , "Trump's behind" .)

(Other definitions for oaf that I've seen before include "Clod" , "Awkward, clumsy person" , "Clumsy fool" , "Stupid or clumsy man" , "Lout, dullard" .)

(Other definitions for sap that I've seen before include "It's plant juice, idiot" , "The juice in trees" , "Fluid in plant stems" , "Liquid that circulates in plants" , "dig tunnels" .)

(Other definitions for dupe that I've seen before include "Victim of deceit or fraud" , "Cat's paw" , "One who is cheated" , "Gull" , "Swindle" .)

(Other definitions for dolt that I've seen before include "dope" , "Dull or stupid fellow" , "Dimwit" , "Dullard" , "Stupid person" .)

(Other definitions for twit that I've seen before include "Silly ass" , "Taunt; fool" , "Silly person; tease" , "Silly person (colloq.)" , "Stupid person" .)

(Another definition for simp that I've seen is " who is easily imposed upon?".)

(Other definitions for nincompoop that I've seen before include "Stupid person" , "dunce" , "Fool" , "Idiot" , "Wally" .)

(Other definitions for buffoon that I've seen before include "Ludicrous figure" , "Jester" , "'Clown, fool (7)'" , "Foolish person" , "Ridiculous person" .)

(Other definitions for fathead that I've seen before include "Dimwit" , "Fool" , "Stupid person" , "Charlie" , "silly ass!" .)

(Other definitions for airhead that I've seen before include "Someone with nothing between the ears?" , "Featherbrain" , "One with nothing between the ears?" , "clot" , "Fool" .)

(Other definitions for muggins that I've seen before include "Fool, sucker" , "Poor simpleton, me" , "A fool (that's me!)" , "Fool (referring to oneself)" , "idiot" .)