From Wiktionary, the free dictionary
нея́сный (nejásnyj) + -о (-o)
нея́сно • (nejásno)
- vaguely
- thick, thickly
- darkly
- ambiguously (in an ambiguous manner)
- indefinitely
- fuzzily
- uncertainly
нея́сно • (nejásno)
- short neuter singular of нея́сный (nejásnyj)