Impossible to do or carry out:
Not workable or useful; impracticable
That has or have previously been owned by someone else.
Find another word for unnegotiable. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for unnegotiable, like: impracticable, impractical, unserviceable, unusable, unworkable, useless and used.