Denotation is the first or main meaning of a word. When a word has more than one meaning as is often the case, it is then a connotative word.
As a result of this, the option which best describes the word "denotation" is "the dictionary definition of a word" which is option B
Option A refers to antonyms, option C refers to synonyms, and option D means the context where a word is used in a sentence. None of them are the correct answer.
