| BEFOOLING | • befooling v. Present participle of befool. • BEFOOL v. to fool; to delude or lead into error. |
| BIGFOOTED | • bigfooted v. Simple past tense and past participle of bigfoot. • Bigfooted v. Simple past tense and past participle of Bigfoot. • BIGFOOT v. to throw one's weight around. |
| BIOFOULER | • biofouler n. Any material that causes biofouling. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| BIRDSFOOT | • birdsfoot n. Any of various flowering plants in the genus Ornithopus. • bird's-foot n. Alternative form of birdsfoot. • BIRDSFOOT n. a papilionaceous genus of plants with clawlike pods. |
| BLOODFINS | • bloodfins n. Plural of bloodfin. • BLOODFIN n. a freshwater fish. |
| BRAINFOOD | • brainfood n. Any food consumed for the purpose of energizing the brain or promoting intellectual thought. • brain␣food n. Alternative form of brainfood. • BRAINFOOD n. any foodstuff containing nutrients thought to promote brain function, such as oily fish which is rich in omega-3 oils. |
| COBRIFORM | • cobriform adj. Shaped like a cobra. • COBRIFORM adj. like or related to the cobra. |
| FIELDBOOT | • fieldboot n. A kind of riding boot with lacing at the vamp, traditionally worn by officers ranked "field grade" or higher. • field␣boot n. A type of walking boot. • FIELDBOOT n. a knee-length boot. |
| FLIPBOOKS | • flipbooks n. Plural of flipbook. • flip␣books n. Plural of flip book. • FLIPBOOK n. a book of a series of images that when flipped give the illusion of movement. |
| FOILBORNE | • FOILBORNE adj. of a craft, travelling along the water on hydrofoils. |
| FORBODING | • forboding adj. Alternative form of foreboding. • forboding v. Present participle of forbode. • forboding n. Alternative form of foreboding. |
| LIFEBLOOD | • lifeblood n. Blood that is needed for continued life; blood regarded as the seat of life. • lifeblood n. (Figuratively) That which is required for continued existence or function. • LIFEBLOOD n. the blood necessary to life. |