Find the synonym of the underlined word
The boys were refused admission to the cocktail party for not wearing formal clothes.

Concept: The word refused means to indicate or show that one isn't willing to do work.

Option A: The word granted means to agree or to allow any work. This option is incorrect as the word granted isn't the opposite of the word refused.

Option B: The word denied means to refuse to do work. This option is correct. The boys were refused admission to the cocktail party for not wearing formal clothes",' refused' means denied or declined.

Option C:  The word acquiesced means to accept any work or idea without any argument commodity reluctantly but without a kick. This option is incorrect as the word acquiesced isn't the opposite of the word refused.

Option D: The word appeal means to make a serious, critical, or sincere request. This is the incorrect option as the word appealed isn't the reverse of the word refused.

Hence, option B is the correct answer.