Breathiest is a word derived from the noun breath, denoting the condition of having the most breath. Its IPA phonetic transcription is /ˈbriːðiɪst/. The first syllable is pronounced as the long vowel /i:/, and the second syllable contains a schwa sound represented by /ɪ/. The final sound is /st/, which represents the ending "-est" often used to show the superlative form of an adjective. Although it may not be a common word, understanding its phonetic transcription can aid in proper pronunciation.