| HYPERDRIVE | • hyperdrive n. (Science fiction) A spaceship engine that allows faster-than-light travel by entering hyperspace. • hyperdrive n. A state of accelerated action. |
| OVERDRAFTS | • overdrafts n. Plural of overdraft. • OVERDRAFT n. the overdrawing of a bank account. |
| OVERDRAWER | • overdrawer n. (Economics) A person who overdraws, or has an overdraft. |
| OVERDRINKS | • overdrinks v. Third-person singular simple present indicative form of overdrink. • OVERDRINK v. to drink to excess. |
| OVERDRIVEN | • overdriven adj. Driven too hard; exhausted. • overdriven adj. (Music) Characteristic of overdrive. • OVERDRIVE v. to drive to excess. |
| OVERDRIVES | • overdrives n. Plural of overdrive. • overdrives v. Third-person singular simple present indicative form of overdrive. • OVERDRIVE v. to drive to excess. |
| OVERDRYING | • overdrying v. Present participle of overdry. • OVERDRY v. to dry too much. |
| UNDERDRAIN | • underdrain n. An underground drain or trench with openings through which the water may percolate from the soil or ground above. • underdrain v. (Transitive) To drain by forming an underdrain or underdrains in. • UNDERDRAIN v. to drain by deep underground ditches. |
| UNDERDRAWN | • underdrawn v. Past participle of underdraw. • UNDERDRAW v. to draw or describe with moderation or reticence. |
| UNDERDRAWS | • underdraws v. Third-person singular simple present indicative form of underdraw. • UNDERDRAW v. to draw or describe with moderation or reticence. |
| UNDERDRESS | • underdress v. (Transitive, intransitive) To dress in insufficiently warm clothes. • underdress v. (Transitive, intransitive) To dress in insufficiently formal clothes. • underdress n. (Countable) Any dress#Noun (feminine-style garment) worn under another, especially under an overdress#Noun. |
| UNDERDRIVE | • underdrive adj. (Of a crankshaft or accessory pulley) Designed to turn at a slower speed than stock. • underdrive v. (Transitive) To slow the rate of rotation in (a pulley-based system). • UNDERDRIVE n. a gear which transmits to the driving shaft a speed less than engine speed. |
| WATERDRIVE | • WATERDRIVE n. the use of water pressure to drive things. |