The spelling of the word "dis interesting" is incorrect. The correct spelling is "uninteresting." The prefix "dis-" usually means "not" or "the opposite of," but in this case, it does not make sense. The word "uninteresting" is spelled [ˌʌninˈtɛrəstɪŋ] in IPA, with a stress on the second syllable. The prefix "un-" means "not," making the word mean "not interesting." It is important to always double-check the spelling and meaning of words before using them.