Below are the words that matched your query...
Unaided
- carried out without aid or assistance; "his first unaided walk through the park"
Unsupportive
- not furnishing support or assistance
Unsurprised
- not surprised or expressing surprise; "that unsuprised obstinate look on his face"
Unresistant
- (often followed by `to') likely to be affected with; "liable to diabetes"
Unpersuadable
- not susceptible to persuasion
Unsuasible
- not susceptible to persuasion
Unimpressionable
- not sensitive or susceptible to impression; "an unimpressionable mind"