Unsubstantiated
Not proven
Unfounded
Groundless, without substance, false
Unorthodox
Not followed established thinking
Unparalleled
Having no parallel
Unremitting
Relieved, relentless, not stopping
Unscathed
Unhurt, unharmed
Unwarranted
Lacking justification
Untenable
That which cannot be defended
Abdicate
Give up, resign
Aberration
A departure from what is normal
Abhor
To dislike intensely, loathe, despise, hate
Benediction
A blessing, to speak well of
Benefactor
One who gives help, especially financially
Benevolent
Kindly, an inclination to do good
Benign
Not cancerous