The spelling of the word "authoritativenesses" can be quite daunting at first glance. It is a noun that refers to the state or quality of being authoritative. The IPA phonetic transcription for this word is /əˌθɒrɪtəˈteɪtɪvnəsɪz/, which breaks down the pronunciation into individual sounds. The word contains six syllables and is formed by adding the suffix "-ness" to the word "authoritativeness", which is in turn formed by adding the suffix "-ive" to the word "authoritative". Despite its complexity, this word is still used regularly in academic and professional contexts.