| Clue | Length | Answer |
|---|---|---|
| infallible | 4 letters | pure |
| infallible | 4 letters | sure |
| infallible | 4 letters | true |
| infallible | 5 letters | rigid |
| infallible | 6 letters | strict |
| infallible | 6 letters | severe |
| infallible | 6 letters | square |
| infallible | 6 letters | subtle |
| infallible | 7 letters | unmixed |
| infallible | 7 letters | precise |
| infallible | 7 letters | refined |
| infallible | 7 letters | certain |
| infallible | 8 letters | reliable |
| infallible | 8 letters | rigorous |
| infallible | 8 letters | surefire |
| infallible | 8 letters | unflawed |
| infallible | 8 letters | flawless |
| infallible | 8 letters | unerring |
| infallible | 8 letters | spotless |
| infallible | 9 letters | inerrrant |
| infallible | 9 letters | stainless |
| infallible | 9 letters | religious |
| infallible | 9 letters | untainted |
| infallible | 9 letters | foolproof |
| infallible | 9 letters | unspotted |
| infallible | 10 letters | scientific |
| infallible | 10 letters | consummate |
| infallible | 11 letters | undeviating |
| infallible | 11 letters | all-knowing |
| infallible | 11 letters | unavoidable |
| infallible | 11 letters | unblemished |
| infallible | 13 letters | unadulterated |
| infallible | 14 letters | uncontaminated |
| infallible | 14 letters | unquestionable |
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