deep : (adj.) gambhīra; agādha; anuttāna; gūḷha; sukhuma; ninna; nīca. (m.) samudda || knee-deep: (adj.) janṇumatta.

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

drag

[translation-san] {MSA} ugra

[translation-san] {MSA} tīvra

[translation-san] {MSA} pragāḍha

[translation-san] {C} guru

[translation-eng] {Hopkins} fierce; violent; terrible

[translation-eng] {C} hard; heavy; weighty; serious; deep

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

drag ldan

[translation-san] {C} ugra

[translation-san] tīvra

[translation-san] pragāḍha

[translation-san] guru

[translation-eng] {Hopkins} fierce; violent; terrible

[translation-eng] {C} weighty; serious; heavy; deep

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary