| Clue | Length | Answer |
|---|---|---|
| Without grounds | 7 letters | untried |
| Without grounds | 7 letters | unfixed |
| Without grounds | 8 letters | baseless |
| Without grounds | 8 letters | unproved |
| Without grounds | 8 letters | untested |
| Without grounds | 9 letters | unsettled |
| Without grounds | 9 letters | unfounded |
| Without grounds | 10 letters | unverified |
| Without grounds | 11 letters | unconfirmed |
| Without grounds | 11 letters | unsupported |
| Without grounds | 11 letters | uncertified |
| Without grounds | 11 letters | unsustained |
| Without grounds | 12 letters | undetermined |
| Without grounds | 13 letters | unestablished |
| Without grounds | 14 letters | uncorroborated |
| Without grounds | 14 letters | undemonstrated |
| Without grounds | 15 letters | unsubstantiated |
| Without grounds | 15 letters | unauthenticated |
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