| AIRPROOFED | • airproofed adj. That has been made airtight. • AIRPROOF v. to make impermeable to air. |
| DROPFORGED | • drop-forged adj. A workpiece that has been treated with drop forging. • DROPFORGE v. to forge metal between two dies. |
| DROPFORGES | • DROPFORGE v. to forge metal between two dies. |
| FIREPROOFS | • fireproofs v. Third-person singular simple present indicative form of fireproof. • FIREPROOF v. to make proof against fire. |
| FOREPERSON | • foreperson n. (Management) A leader of a work crew. • foreperson n. (Law) The member of a jury who presides over it and speaks on its behalf. |
| FROGHOPPER | • froghopper n. Any of various small insects of the superfamily Cercopoidea that feed on plant sap and whose larvae… • FROGHOPPER n. a froth-fly, aka spittlebug. |
| OUTPERFORM | • outperform v. To perform better than something or someone. • OUTPERFORM v. to exceed in performance. |
| OVERPROOFS | • overproofs n. Plural of overproof. • overproofs v. Third-person singular simple present indicative form of overproof. • OVERPROOF n. a spirit with a higher content of alcohol than standard spirit. |
| PERFORATOR | • perforator n. A tool or machine that makes holes, or perforates, materials such as paper and card. • perforator n. A machine that can bore a tunnel underground. • perforator n. (Anatomy) A perforating artery or vein. |
| PORIFEROUS | • poriferous adj. Having pores. • poriferous adj. Of or related to the Porifera. • PORIFEROUS adj. having pores. |
| PROFESSORS | • professors n. Plural of professor. • Professors n. Plural of Professor. • PROFESSOR n. a university or college teacher of the highest grade. |
| PROFOUNDER | • profounder adj. Comparative form of profound: more profound. • PROFOUND adj. very deep. |
| PROOFREADS | • proofreads v. Third-person singular simple present indicative form of proofread. • proof-reads v. Third-person singular simple present indicative form of proof-read. • PROOFREAD v. to read checking for mistakes. |
| PROTEIFORM | • proteiform adj. (Zoology) changeable in form; resembling a proteus. • PROTEIFORM adj. changeable in form. |
| REPROOFING | • reproofing v. Present participle of reproof. • REPROOF v. to make waterproof again. |
| UNDERPROOF | • underproof adj. Having a lower alcohol content than proof spirit. • underproof v. (Baking) To proof insufficiently. • UNDERPROOF adj. containing less alcohol than proof spirit. |
| WATERPROOF | • waterproof adj. Resistant to the effects of water. • waterproof adj. Made of or covered with material that doesn’t allow water in. • waterproof adj. (Figurative) Incapable of failing; unassailable. |