12-letter words containing f, l, u, n, i
- self-tuition — the charge or fee for instruction, as at a private school or a college or university: The college will raise its tuition again next year.
- slumpflation — a situation in which economic depression is combined with increasing inflation
- solifluction — creep (def 22a).
- spinal fluid — cerebrospinal fluid
- spitefulness — full of spite or malice; showing spite; malicious; malevolent; venomous: a spiteful child.
- student file — a file containing information about each student in a school, college, etc, such as demographic information and information about grades, etc
- stunt flying — the activity or practice of performing stunts in an aeroplane, such as special turns, etc, in the air
- stupefyingly — to put into a state of little or no sensibility; benumb the faculties of; put into a stupor.
- sufficiently — adequate for the purpose; enough: sufficient proof; sufficient protection.
- suit oneself — a set of clothing, armor, or the like, intended for wear together.
- sulfadiazine — a sulfanilamide derivative, C 1 0 H 1 0 N 4 O 2 S, used chiefly in the treatment of urinary tract infections, meningitis, and malaria.
- sulfarsenide — any compound containing an arsenide and a sulfide.
- tin-fluoride — stannous fluoride.
- ultrarefined — having been refined exceptionally well or thoroughly
- unaffiliated — being in close formal or informal association; related: a letter sent to all affiliated clubs; a radio network and its affiliated local stations.
- unartificial — not showing art or skill; not skilled or artistic
- unbeneficial — conferring benefit; advantageous; helpful: the beneficial effect of sunshine.
- unclassified — not assigned to a class or category; not arranged according to characteristics: Reported instances fall into two main types, with a few unclassified anomalies.
- unconfinable — not able to be bound
- 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