| BACKFILLINGS | • backfillings n. Plural of backfilling. • BACKFILLING n. the act of refilling with earth. |
| BENEFICIALLY | • beneficially adv. In a beneficial manner. • BENEFICIAL adv. doing good. |
| BLAMEFULNESS | • blamefulness n. The quality of being blameful. • BLAMEFULNESS n. the state of being blameful. |
| FALLIBLENESS | • fallibleness n. The quality of being fallible. • FALLIBLENESS n. the state of being fallible. |
| FIBRILLATING | • fibrillating v. Present participle of fibrillate. • fibrillating adj. Splitting into fibrils or fibres. • fibrillating adj. Of a muscle, especially in the heart: undergoing fibrillation; quivering. |
| FIBRILLATION | • fibrillation n. The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart. • FIBRILLATION n. uncoordinated contraction of muscle-fibres in the heart. |
| FLABELLATION | • flabellation n. The act of keeping cool by use of a fan or fan-like instrument. • FLABELLATION n. the act of fanning. |
| FLAMBOYANTLY | • flamboyantly adv. In a flamboyant manner. • FLAMBOYANT adv. extravagant. |
| FLANNELBOARD | • flannelboard n. Synonym: flannelgraph. • FLANNELBOARD n. a teaching aid consisting of a board covered with flannel. |
| FOOTBALLENES | • FOOTBALLENE n. buckminsterfullerene, a ball-shaped molecule containing 60 carbon atoms linked together in hexagons and pentagons to form a closed, near spherical and very stable structure. |
| INFLAMMABLES | • inflammables n. Plural of inflammable. • INFLAMMABLE n. something inflammable. |
| NONFLAMMABLE | • nonflammable adj. Not combustible. • nonflammable adj. Not easily set on fire. • nonflammable n. Any nonflammable substance. |
| SYLLABIFYING | • syllabifying v. Present participle of syllabify. • SYLLABIFY v. to divide into syllables. |
| UNFILTERABLE | • unfilterable adj. Not filterable. • UNFILTERABLE adj. not filterable. |