Below are the words that matched your query...
Unrighteously
- in an unrighteous manner; "he acted unrighteously"
Unsparingly
- in a scathing and unsparing manner; "she criticized him scathingly"
Unselfconsciously
- in a comfortable unselfconscious manner; "they were naked, unshy, and unselfconsciously beautiful"
Unsentimentally
- in an unsentimental manner; "unsentimentally, she threw out her dead son's toys"
Unawares
- at a disadvantage; "I was caught short"
- suddenly and unexpectedly; "rain caught them unawares"; "sorrow comes to all, and to the young it comes with bittered agony because it takes them unawares"- A.Lincoln
- without forethought or plan; inadvertently; "came upon the diamond unawares"
Unsmilingly
- without smile; in an unsmiling manner; "unsmilingly, he greeted his in-laws"
Uppishly
- in a snobbish manner; "they snobbishly excluded their less wealthy friends from the party"
Unsociably
- in an unsociable manner; "the new neighbors behave quite unsociably"
Unsportingly
- in an unsportsmanlike manner
Unsuspectingly
- without suspicions; "he was sitting unsuspectingly beyond that wall only a few yards from the burglar"