"Implumous" is a rare word that refers to having no feathers. It is spelled with the prefix "im-" meaning "not" and the root word "plumage," meaning feathers. The pronunciation of "implumous" can be written in International Phonetic Alphabet (IPA) as /ɪmˈpluːməs/. The first syllable is pronounced as the short i sound, followed by the long oo sound. The second syllable has the schwa sound, and the final syllable has the short u sound.