| AIRPROOF | • airproof adj. Airtight. • airproof v. (Transitive) To make airtight. • air-proof adj. Airtight. |
| APPROOFS | • approofs n. Plural of approof. • APPROOF n. (archaic) the act of proving; approbation. |
| DISPROOF | • disproof n. A refutation. • DISPROOF n. the act of disproving. |
| OILPROOF | • oilproof adj. Resistant to oil. • oilproof v. (Transitive) To make resistant to oil. • OILPROOF adj. impervious to oil. |
| PROOFERS | • proofers n. Plural of proofer. • PROOFER n. one who proofs. |
| PROOFING | • proofing n. A step in creating yeast breads and baked goods, during which the yeast is allowed to leaven the dough. • proofing v. Present participle of proof. • PROOFING n. material used to make things waterproof. |
| RATPROOF | • ratproof adj. Resistant to damage caused by rats. • RATPROOF adj. impervious to rats. |
| REPROOFS | • reproofs n. Plural of reproof. • REPROOF v. to make waterproof again. |
| ROTPROOF | • rotproof adj. Resistant to rotting. • rotproof v. (Transitive) To make resistant to rotting. • rot-proof adj. Alternative form of rotproof. |
| RUNPROOF | • runproof adj. (Of stockings) Not susceptible to runs. • RUNPROOF adj. (of stockings or tights) designed to be especially resistant to being ripped. |
| SUNPROOF | • sunproof adj. Impervious to the rays of the sun. • SUNPROOF adj. resistant to damage by sunlight. |
| WETPROOF | • wetproof adj. Waterproof. • wetproof v. (Transitive) To make waterproof. • WETPROOF adj. waterproof. |