1. (Proper Adj.-Common) Not liable to fluctuate or move or especially to fall. লৰচৰ নকৰি একে ঠাইতে থকা ৷

English: firm, stalwart, staunch,
Assamese: অচঞ্চল, অবিচল, অবিচলিত, অলৰ, অসন্মূহ, গজগজীয়া, দহদহীয়া, দৃঢ়, ধ্ৰুব, ধৰা-বন্ধা, বদ্ধমূল, সুদৃঢ়,
Bodo: फोथाइजाथाव,
Khasi: baskhem,
Garo: mangraka, mojimja,
Karbi: thir,
Nagamese: mojbut,
Dimasa: gejeb-bi, gejepthiti

Different POS:

a. Abstract Noun: firmness, fortitude, দৃঢ়তা, সহিষ্ণুতা, सहायसुला गुन...
b. Adverb: firmly, দৃঢ়কৈ, gejebtiti...