| AIRPROOFED | • airproofed adj. That has been made airtight. • AIRPROOF v. to make impermeable to air. |
| CONFERVOID | • confervoid adj. Resembling conferva algae. • CONFERVOID adj. relating the confervae, freshwater algae. • CONFERVOID n. a freshwater alga. |
| DEFOLIATOR | • defoliator n. Something or someone that defoliates. • DEFOLIATOR n. a defoliating agent. |
| FIDDLEWOOD | • fiddlewood n. The wood of several West Indian trees, mostly of the genus Citharexylum. • fiddlewood n. Any of these trees. • FIDDLEWOOD n. the wood of several West Indian trees. |
| FIELDBOOTS | • fieldboots n. Plural of fieldboot. • field␣boots n. Plural of field boot. • FIELDBOOT n. a knee-length boot. |
| FIREFLOODS | • FIREFLOOD n. a method of extracting oil from a well by burning some of the oil to increase the flow. |
| FLOODTIDES | • floodtides n. Plural of floodtide. • flood-tides n. Plural of flood-tide. • flood␣tides n. Plural of flood tide. |
| FLORIDEOUS | • florideous adj. Synonym of floridean. • FLORIDEOUS adj. relating to Floridae, a family of red seaweeds. |
| FOOTBRIDGE | • footbridge n. A bridge over a road, railway, river, etc for pedestrians. • FOOTBRIDGE n. a bridge for pedestrians. |
| FOREBODIES | • forebodies n. Plural of forebody. • FOREBODY n. the forward part of a ship. |
| FOREBODING | • foreboding n. A sense of evil to come. • foreboding n. An evil omen. • foreboding adj. Of ominous significance; serving as an ill omen; foretelling of harm or difficulty. |
| FOREORDAIN | • foreordain v. (Transitive) To predestine or preordain. • FOREORDAIN v. to ordain or appoint beforehand. |
| LIFEBLOODS | • lifebloods n. Plural of lifeblood. • LIFEBLOOD n. the blood necessary to life. |
| OPSONIFIED | • opsonified v. Simple past tense and past participle of opsonify. • OPSONIFY v. to form opsonins in, a substance of blood serum making bacteria vulnerable to phagocytic action. |
| REFLOODING | • reflooding v. Present participle of reflood. • reflooding n. An act of flooding again. • REFLOOD v. to flood again. |