The correct spelling of the phrase "more plunged" is /mɔːr plʌn(d)ʒd/. The IPA phonetic transcription for this word indicates that the first word should be pronounced with a long "o" sound followed by a rolled "r" sound. The second word has a short "u" sound followed by the "n" and "d" sounds. Together, the phrase means to have gone deeper into something or to have experienced a more profound change or situation.