| addlebrained |
being or seeming to be the product of a confused mind; foolish. [1/2 definitions] |
| apish |
imitative in a slavish or foolish way. [1/2 definitions] |
| balderdash |
nonsensical speech or writing; foolish, unpersuasive argumentation. |
| besot |
to confuse or make foolish with, or as if with, strong drink (often used reflexively). |
| blather |
meaningless or foolish chatter. [1/2 definitions] |
| blatherskite |
one who is given to meaningless or foolish chatter. [2 definitions] |
| boner |
a stupid or foolish error; blunder. |
| boob1 |
(slang) a stupid, foolish person. |
| booby |
a dull or foolish person; dolt. [1/3 definitions] |
| bosh |
(informal) foolish or meaningless talk; nonsense. |
| coot |
(informal) a grouchy or foolish old man. [1/3 definitions] |
| crackbrained |
utterly foolish or insane. |
| cuckoo |
(slang) a crazy or foolish person. [2/5 definitions] |
| daffy |
(informal) silly, foolish, crazy, or weak-minded in mood or temperament. |
| daft |
silly or foolish. [1/2 definitions] |
| ding-a-ling |
(informal) a person who is considered stupid, slow-witted, or foolish. |
| dingbat |
(informal) a silly or foolish person. |
| dippy |
(slang) foolish or eccentric. |
| dizzy |
(informal) foolish or scatterbrained. [1/7 definitions] |
| dolt |
a stupid or foolish person; blockhead. |
| donkey |
a stubborn, foolish, or stupid person. [1/3 definitions] |