The word "unreservednesses" is a mouthful, with a total of 18 letters. It may seem overwhelming to spell, but breaking it down with IPA phonetic transcription can help. The word is pronounced /ʌnrɪˈzɜːvdnəsɪz/ with four syllables. The prefix "un-" signifies "not," the root word "reserved" means "held back," and the suffix "-ness" means "state or quality of." Adding the plural suffix "-es" creates the plural form. Therefore, "unreservednesses" means "the state or quality of not holding back, in more than one instance."