a person lacking intelligence
WordReference Random House Learner's Dictionary of American English © 2026
WordReference Random House Unabridged Dictionary of American English © 2026
sim•ple•ton
(sim′pəl tən),USA pronunciation n.
- an ignorant, foolish, or silly person.
- simple + -ton 1640–50
- dolt, fool, numskull, blockhead, ninny, dope.
Collins Concise English Dictionary © HarperCollins Publishers::
'simpleton' also found in these entries (note: many are not synonyms or translations):
Simple Simon
- alec
- cuckoo
- daw
- doodle
- drongo
- dunce
- fool
- futz
- gommie
- gonzo
- goof
- goon
- goose
- gowk
- ignoramus
- innocent
- juggins
- loris
- moonraker
- mutt
- nincompoop
- ninny
- ninnyhammer
- noddy
- noodle
- noodlehead
- oaf
- saphead
- simp
- singleton
- tawpie
- tommyrot
- ton
- woodcock
- zany