phonics UK /ˈfɒnɪks/US /ˈfɑnɪks/ noun4 •A method of teaching elementary reading based on the phonetic interpretation of normal spelling.Phonics has gone in and out of style for decades, and the current conflict over how to teach reading is only the latest in a tug-of-war that dates to the 19th century. — 2020 •The study of how the sounds of words are represented by spelling. •Phonetics. •Acoustics.