What's the difference between being stupid and being stupid?

All three have the meaning of "stupid", but the emphasis is different. Silly, especially ridiculous, like a child; Fooling generally refers to fooling (for fun); Stupid means to do stupid things because your brain doesn't work.

The following refers to the definition of Oxford Dictionary:

Stupid?

Adjective? 1. Stupid; Unreasonable; No brain; Showing a lack of thinking, understanding, or judgment.

2. Ridiculous, absurd and silly, especially like a child? Stupid or embarrassing, especially in a way that children are more typical than adults. ?

3. Not practical; Not practical or serious for fun.

Nouns? (often used to point out his foolish behavior to children) A foolish child or a naughty boy is often used when talking to children to show that they are irrational.

fool

Nouns? 1.[C]？ Fool; Fool? A person whose actions or words you think lack wisdom or judgment. ?

2.[C]？ Clowns, clowns, etc. (formerly kept by the king or queen for entertainment)?

(formerly) a person employed by a king or queen to entertain people by telling jokes, singing, etc.

3.【U，？ C]？ (BrE)？ Usually compound words are formed in compound words? Cream soup, cream soup (dessert)? A cold dessert is prepared by boiling and crushing fruits and mixing them with cream or custard.

Verb? 1.【VN】？ ~ Someone cheated (doing something); Fool? Deceive someone into believing something untrue.

2.【V】？ Run around (with sth)? Say or do stupid things, often for fun, often to make people laugh.

Adjective? [only before nouns]? (informal)? Stupid; Showing a lack of intelligence or good judgment foolishly.

foolish

Adj. 1。 Thoughtless; Confused? Showing lack of thinking or good judgment.

2. (disapproving)? (of people)? Stupid; Stupid; What's wrong with your brain? Slow to learn or understand things; Not smart or smart.

3. [only before nouns]? (informal)? (used for emphasis) annoyed? Used to emphasize that you are annoyed with someone/something.

Nouns? [Singing. ]? (informal)? Fool, fool (often used as a joke)?