| UNDERDECKS | • underdecks n. Plural of underdeck. • UNDERDECK n. a lower deck on a ship. |
| UNDERDOERS | • underdoers n. Plural of underdoer. • UNDERDOER n. one who underdoes; a shirker. |
| UNDERDOING | • underdoing v. Present participle of underdo. • UNDERDO v. to do insufficiently. |
| UNDERDOSED | • underdosed v. Simple past tense and past participle of underdose. • under-dosed v. Simple past tense and past participle of under-dose. • UNDERDOSE v. to give an insufficient dose to. |
| UNDERDOSES | • underdoses n. Plural of underdose. • underdoses v. Third-person singular simple present indicative form of underdose. • under-doses v. Third-person singular simple present indicative form of under-dose. |
| 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. |