What is the difference between a connotation and denotation?

A connotation is the feelings or ideas a word suggests while a denotation is a dictionary meaning of the word.
• A denotation contains antonyms and a connotation contains synonyms.
• A connotation is a metaphor and a denotation is a simile.
• Connotations and denotations are the same thing.

No, connotations and denotations are not the same thing. Connotations refer to the emotional or cultural associations that a word may carry, while denotations refer to the literal or dictionary definition of a word.