| ABOVEGROUND | • aboveground adj. Alternative spelling of above ground. • above-ground adj. Alternative form of aboveground. • above␣ground phr. On or above the surface of the ground. |
| BLOVIATIONS | • bloviations n. Plural of bloviation. • BLOVIATION n. long-winded speech. |
| NOVOBIOCINS | • novobiocins n. Plural of novobiocin. • NOVOBIOCIN n. an antimicrobial drug used in some cases of staphylococcic or urinary tract infection. |
| OBSERVATION | • observation n. The act of observing, and the fact of being observed (see observance). • observation n. The act of noting and recording some event; or the record of such noting. • observation n. A remark or comment. |
| OBVIOUSNESS | • obviousness n. The characteristic of being obvious. • OBVIOUSNESS n. the state of being obvious. |
| OBVOLUTIONS | • OBVOLUTION n. the state of being obvolute, having a margin that alternately overlaps and is overlapped by that of an opposing leaf. |
| OVERABOUNDS | • overabounds v. Third-person singular simple present indicative form of overabound. • OVERABOUND v. to be exceedingly plenty. |
| OVERBLOWING | • overblowing v. Present participle of overblow. • OVERBLOW v. to give excess importance to. |
| OVERBOILING | • overboiling v. Present participle of overboil. • OVERBOIL v. to boil too long. |
| OVERBOOKING | • overbooking v. Present participle of overbook. • overbooking n. An instance of selling or guaranteeing more seats than are available. • OVERBOOKING n. the act of booking more than necessary. |
| OVERBOUNDED | • overbounded v. Simple past tense and past participle of overbound. • OVERBOUND v. to bound excessively. |
| OVERBROWING | • overbrowing v. Present participle of overbrow. • OVERBROW v. (archaic) to overhang like a brow. |