| ALDERFLIES | • alderflies n. Plural of alderfly. • ALDERFLY n. a riverside winged insect. |
| HOVERFLIES | • hoverflies n. Plural of hoverfly. • hover-flies n. Plural of hover-fly. • HOVERFLY n. a fly noted for hovering. |
| INTERFLOWS | • interflows v. Third-person singular simple present indicative form of interflow. • interflows n. Plural of interflow. • INTERFLOW v. to flow in. |
| INTERFLUVE | • interfluve n. (Geology) The region of higher land between two connected river valleys. • INTERFLUVE n. an area between two rivers that flow in the same direction. |
| OVERFLIGHT | • overflight n. The flight of an aircraft over a particular place; used especially to refer to a flight over foreign… • OVERFLIGHT n. a passage over an area in an aircraft. |
| OVERFLOODS | • overfloods v. Third-person singular simple present indicative form of overflood. • OVERFLOOD v. to flood excessively. |
| OVERFLOWED | • overflowed v. Simple past tense and past participle of overflow. • OVERFLOW v. to flow over the top of. |
| OVERFLYING | • overflying v. Present participle of overfly. • OVERFLY v. to fly over. |
| SUPERFLACK | • superflack n. (Informal) A highly successful publicity agent. • SUPERFLACK n. a superior press agent. |
| SUPERFLUID | • superfluid n. (Physics) A substance, such as liquid helium, that exhibits superfluidity. • superfluid adj. Of, pertaining to, or exhibiting superfluidity. • SUPERFLUID adj. relating to, or demonstrating, superfluidity. |
| UNDERFLOOR | • underfloor adj. Located beneath the floor. • underfloor n. A layer of flooring beneath the main floor surface. • UNDERFLOOR adj. situated underneath a floor e.g. heating. |
| UNDERFLOWS | • underflows n. Plural of underflow. • UNDERFLOW n. an undercurrent. |
| WATERFLOOD | • waterflood n. An inundation of water. • waterflood v. To pump water into the ground around an oil well nearing depletion in order to loosen and force out additional oil. • WATERFLOOD n. a flood of water; an inundation. |