Below are the words that matched your query...
Undisputable
- not open to question; obviously true; "undeniable guilt"; "indisputable evidence of a witness"
Undeviating
- used of values and principles; not subject to change; steady; "undeviating loyalty"
- going directly ahead from one point to another without veering or turning aside; "some people see evolution as an undeviating upward march from simple organisms to the very complex"; "a straight and narrow tree-lined road unswerving across the lowlands"
Unreliable
- not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"
- liable to be erroneous or misleading; "an undependable generalization"
- lacking a sense of responsibility
- dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle"
Undependable
- not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"
- liable to be erroneous or misleading; "an undependable generalization"
Unsound
- of e.g. advice
- physically unsound or diseased; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth"
- suffering from severe mental illness; "of unsound mind"
- not sound financially; "unsound banking practices"
- not in good condition; damaged or decayed; "an unsound foundation"
- containing or based on a fallacy; "fallacious reasoning"; "an unsound argument"
Underage
- dependent by virtue of youth
- not of legal age; "minor children"
Unbiased
- without bias
- characterized by a lack of partiality; "a properly indifferent jury"; "an unbiasgoted account of her family problems"
Unbiassed
- without bias
- characterized by a lack of partiality; "a properly indifferent jury"; "an unbiasgoted account of her family problems"
Undescriptive
- not successful in describing