| Clue | Length | Answer |
|---|---|---|
| unproved | 4 letters | wide |
| unproved | 4 letters | weak |
| unproved | 5 letters | wrong |
| unproved | 6 letters | untrue |
| unproved | 7 letters | untried |
| unproved | 7 letters | unfixed |
| unproved | 7 letters | unsound |
| unproved | 8 letters | untested |
| unproved | 8 letters | straying |
| unproved | 9 letters | unchecked |
| unproved | 9 letters | unfounded |
| unproved | 9 letters | unsettled |
| unproved | 9 letters | unfactual |
| unproved | 10 letters | unverified |
| unproved | 10 letters | unorthodox |
| unproved | 10 letters | unofficial |
| unproved | 11 letters | uncertified |
| unproved | 11 letters | unauthentic |
| unproved | 11 letters | theoretical |
| unproved | 11 letters | unconfirmed |
| unproved | 11 letters | speculative |
| unproved | 11 letters | unpracticed |
| unproved | 11 letters | unsustained |
| unproved | 11 letters | unsupported |
| unproved | 11 letters | unwarranted |
| unproved | 12 letters | undetermined |
| unproved | 13 letters | unestablished |
| unproved | 13 letters | unsubstantial |
| unproved | 14 letters | undemonstrated |
| unproved | 14 letters | uncorroborated |
| unproved | 15 letters | unauthenticated |
| unproved | 15 letters | unsubstantiated |
| unproved | 15 letters | unauthoritative |
| unproved | 18 letters | self-contradictory |
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