unviable

English

Etymology tree

Proto-Indo-European *né

Proto-Indo-European *n̥-

Proto-Germanic *un-

Proto-West Germanic *un-

Old English un-

Middle English un-

English un-

English viable

English unviable

From un- + viable.

unviable (comparative more unviable, superlative most unviable)

Not viable: not capable of independent life; not practicable.
Synonyms: nonviable, inviable

not capable of independent life — see inviable