Save Gender Masculine Usage Thai Scripts ธีรศักดิ์, ธีระศักดิ์(Thai) Pronounced Pron. /tʰiː˧.ra˦˥.ˈsak̚˨˩/ [key·simplify] Other Forms FormsTheerasak, Tirasak, Thirasak Meaning & History Alternate transcription of Thirasak.