undisciplined : (adj.) avinīta; asikkhata.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

'dul ba med pa

[translation-san] {C} avinaya

[translation-eng] {Hopkins} undisciplined; non-discipline

[translation-eng] {C} does not discipline; one who needs further discipline

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary