definitely : (adv.) ekantena; saniyamaṃ.

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

gdon mi 'tshal bar

[translation-san] {C} avaśyam

[translation-eng] {Hopkins} unquestionably; undeniably

[translation-eng] {C} (it is) of necessity; in all circumstances; definitely

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

gdon mi za bar

[translation-san] {N} avaśya

[translation-san] {C} avaśyam

[translation-san] {C} niḥsaṃśayam

[translation-san] {C} niścayena

[translation-san] {C} nirdeśa (=niyatam = tasya te pratirūpo 'yam upadeśaḥ)

[translation-san] {MSA} niyatam

[translation-eng] {Hopkins} unquestionably; undeniably; definitely{N}

[translation-eng] {C} (it is) of necessity; in all circumstances; without any doubt; in all certainty; exposition; disquisition; description

example

• [bod] shes rab gdon mi za bar btsol bar bya dgos
• [eng] you should definitely seek wisdom{LRC}

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary