Below are the words that matched your query...
Unsatisfying
- not up to expectations; "a disappointing performance from one who had seemed so promising"
Unscalable
- incapable of being ascended
Unscientific
- not consistent with the methods or principles of science; "an unscientific lack of objectivity"
Unscrupulous
- without scruples or principles; "unscrupulous politicos who would be happy to sell...their country in order to gain power"
Unopened
- not yet opened or unsealed; "unopened Christmas presents"
Unsealed
- not closed or secured with or as if with a seal; "unsealed goods"; "the letter arrived unsealed"
- not established or confirmed; "his doom is as yet unsealed"
- break the seal of; "He unsealed the letter"
Unwrapped
- not yet wrapped or having the wrapping removed; "she faced a mountainous pile of presents still unwrapped"; "the floor around the tree was littered with gifts already unwrapped"
- make known to the public information that was previously known only to a few people or that was meant to be kept a secret;
- remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel"