The word "flouriest" is spelled with the suffix "-iest" added onto the end of the noun "flour". In IPA phonetic notation, this word would be transcribed as /'flaʊriəst/. The first syllable is pronounced with the diphthong /aʊ/, like in the word "loud". The second syllable contains the vowel sound /i:/, like in the word "me", followed by the unstressed schwa sound /ə/. The final syllable ends with the consonant sound /st/. "Flouriest" is used to describe something as the most floury or containing the most flour.