ˈɛm.fə.saɪz ˈʌndɚˌlaɪn ˈʌndəˌlaɪn ˈʌndɚˌlaɪn ˈʌndəˌlaɪn ˈʌn.də(ɹ)ˌskɔː(ɹ) ˈʌn.də(ɹ)ˌskɔː(ɹ) draw a line or lines underneath to call attention to give extra weight to (a communication) Her gesture emphasized her words a line drawn underneath (especially under written matter)