| DESULFURATION | • desulfuration n. Desulfurization. • DESULFURATION n. the act of removing sulphur from. |
| FATUOUSNESSES | • fatuousnesses n. Plural of fatuousness. • FATUOUSNESS n. the state of being fatuous. |
| FLORICULTURAL | • floricultural adj. Of or pertaining to floriculture. • FLORICULTURAL adj. relating to floriculture. |
| FLUCTUATIONAL | • fluctuational adj. Of, pertaining to, or resulting from fluctuation(s). • FLUCTUATIONAL adj. showing fluctuation. |
| FRACTOCUMULUS | • FRACTOCUMULUS n. a type of cloud. |
| FRUMENTACEOUS | • frumentaceous adj. Resembling or pertaining to grain, especially wheat. • FRUMENTACEOUS adj. resembling wheat or other grain. |
| FRUMENTARIOUS | • frumentarious adj. Relating to corn. • FRUMENTARIOUS adj. of or pertaining to corn. |
| FUNAMBULATION | • funambulation n. The act of walking on ropes; tightrope walking. • FUNAMBULATION n. tightrope-walking. |
| FUNAMBULATORS | • funambulators n. Plural of funambulator. • FUNAMBULATOR n. a tightrope walker. |
| FUNAMBULATORY | • funambulatory adj. Performing in the manner of a tightrope walker. • funambulatory adj. Narrow, like a tightrope. • FUNAMBULATORY adj. related to funambulation, tightrope-walking. |
| FUTUROLOGICAL | • futurological adj. Pertaining to futurology. • FUTUROLOGICAL adj. relating to futurology. |
| QUARTZIFEROUS | • quartziferous adj. Yielding or containing quartz. • QUARTZIFEROUS adj. bearing quartz. |
| SUBFEUDATIONS | • subfeudations n. Plural of subfeudation. • SUBFEUDATION n. subinfeudation. |
| SUFFUMIGATION | • suffumigation n. The burning of substances to produce fumes as part of some magical rituals. • SUFFUMIGATION n. fumigation from below. |
| SULFURISATION | • SULFURISATION n. the process of sulfurising, also SULFURIZATION. |
| SULFURIZATION | • sulfurization n. Treatment or impregnation with sulfur. • SULFURIZATION n. the process of treating with sulfur, also SULFURISATION. |
| ULTRAPOWERFUL | • ultrapowerful adj. (Rare) Extremely or exceedingly powerful; having, or capable of exerting great power, potency, or influence. • ULTRAPOWERFUL adj. very very powerful. |
| UNFORTUNATELY | • unfortunately adv. Happening through bad luck, or because of some unfortunate event. • unfortunately adv. Used (as a parenthetical word) to express disappointment, compassion, sorrow, regret or grief. • UNFORTUNATE adv. not fortunate. |