12-letter words containing f, i, l, u
- unconfinedly — in an unconfined manner
- undefensible — capable of being defended against assault or injury: The troops were bivouacked in a defensible position.
- undefinitely — clearly defined or determined; not vague or general; fixed; precise; exact: a definite quantity; definite directions.
- undefoliated — having the leaves left intact
- undelightful — giving great pleasure or delight; highly pleasing: a delightful surprise.
- unfertilized — Biology. to render (the female gamete) capable of development by uniting it with the male gamete. to fecundate or impregnate (an animal or plant).
- unfilterable — not able to be filtered
- unflaggingly — in a consistently strong or tireless manner
- unflattering — to try to please by complimentary remarks or attention.
- unforgivable — to grant pardon for or remission of (an offense, debt, etc.); absolve.
- unforgivably — in an unforgivable manner
- unformalized — not formalized
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unfossilized — not fossilized
- unfriendlily — in an unfriendly manner
- unfulfilling — not carried out or done: many unfulfilled requests.
- unfunctional — of or relating to a function or functions: functional difficulties in the administration.
- unifactorial — of or relating to a single gene.
- unifoliolate — compound in structure yet having only one leaflet, as the orange.
- uninfluenced — the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
- unmeaningful — not meaningful; without significance.
- unmercifully — merciless; relentless; severe; cruel; pitiless.
- unmodifiable — incapable of being modified
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unreflecting — not reflecting; unthinking: an unreflecting, self-satisfied man.
- unreflective — not reflective; thoughtless; lacking in due deliberation; heedless; rash: a sweeping, unreflective pessimism.
- unrightfully — having a valid or just claim, as to some property or position; legitimate: the rightful owner of the farm.
- unsimplified — to make less complex or complicated; make plainer or easier: to simplify a problem.
- unsolidified — to unite firmly or consolidate.
- unverifiable — to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction.
- unworshipful — not worshipful; not showing reverence or admiration
- viruliferous — carrying a virus
- visual field — field of vision.
- vociferously — crying out noisily; clamorous.
- wineglassful — the capacity of a wineglass, typically containing four to six fluid ounces.
- wing formula — a numerical representation of the relative lengths of the primary feathers of a bird's wing, used in identifying similar species, as flycatchers.
- without fail — to fall short of success or achievement in something expected, attempted, desired, or approved: The experiment failed because of poor planning.
- worshipfully — In a worshipful manner; reverentially.
- zinc sulfate — a colorless, crystalline, water-soluble powder, ZnSO 4 ⋅7H 2 O, used for preserving skins and wood, in the electrodeposition of zinc, in the bleaching of paper, as a mordant in calico printing, and in medicine as an astringent, styptic, and emetic.
- zinc sulfide — a white to yellow, crystalline powder, ZnS, soluble in acids, insoluble in water, occurring naturally as wurtzite and sphalerite: used as a pigment and as a phosphor on x-ray and television screens.