Below are the words that matched your query...
Ungrateful
- not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
- disagreeable; "I will not perform the ungrateful task of comparing cases of failure"- Abraham Lincoln
Unthankful
- not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare
Unappreciative
- not feeling or expressing gratitude; "unappreciative of nature's bounty"
Unregretful
- feeling no regret; "was completely unregretful about what had happened"
Unregretting
- feeling no regret; "was completely unregretful about what had happened"
Unyielding
- resistant to physical force or pressure; "an unyielding head support"
- stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion"
- Not giving in
Unresolved
- characterized by musical dissonance; harmonically unresolved
- not brought to a conclusion; subject to further thought; "an open question"; "our position on this bill is still undecided"; "our lawsuit is still undetermined"
- not solved; "many crimes remain unsolved"; "many problems remain unresolved"
Unhealthful
- detrimental to good health; "unhealthful air pollution"; "unhealthful conditions in old apartments with peeling lead-based paint"
- not sanitary or healthful; "unsanitary open sewers"; "grim and unsanitary conditions"
- detrimental to health
Unmedicinal
- not having a medicinal effect or not medically prescribed; "he took mind-altering drugs for nonmedicinal reasons"