12-letter words containing r, l, f
- triple fugue — a fugue with a subject and two countersubjects developed simultaneously.
- trouble-free — not problematic
- troubleproof — not easily disturbed, disabled, injured, or put out of working order.
- true to life — realistic
- trumpet-leaf — trumpets.
- trustfulness — full of trust; free of distrust, suspicion, or the like; confiding: a trustful friend.
- truthfulness — telling the truth, especially habitually: a truthful person.
- trypaflavine — acriflavine hydrochloride.
- tubuliferous — bearing or made up of tubules.
- tubulifloral — (of a plant) tubuliflorous
- ultracareful — extremely or especially careful
- ultraleftist — ultraleft.
- ultrarefined — having been refined exceptionally well or thoroughly
- un-stressful — full of stress or tension: the stressful days before a war.
- unaffordable — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- unartificial — not showing art or skill; not skilled or artistic
- uncalled for — not called for; not required; superfluous; unwanted.
- uncalled-for — not called for; not required; superfluous; unwanted.
- uncheerfully — without cheerfulness; in an uncheerful manner
- unfavourable — Unfavourable conditions or circumstances cause problems for you and reduce your chances of success.
- 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
- 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.
- unformulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- unfrequently — in an unfrequent manner
- unfriendlily — in an unfriendly manner
- ungracefully — in an ungraceful manner
- unifactorial — of or relating to a single gene.
- unlooked-for — not expected, anticipated, or foreseen: They were confronted with an unlooked-for situation.
- unmercifully — merciless; relentless; severe; cruel; pitiless.
- unpreferable — more desirable.
- 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.
- unreformable — not able to be reformed or reclaimed
- unrefundable — to give back or restore (especially money); repay.
- unremorseful — full of remorse.
- unrespectful — full of, characterized by, or showing politeness or deference: a respectful reply.
- unrevengeful — not tending to take revenge; forgiving
- unrightfully — having a valid or just claim, as to some property or position; legitimate: the rightful owner of the farm.
- unsufferable — insufferable; intolerable
- 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
- valley fever — coccidioidomycosis.
- valley forge — a village in SE Pennsylvania: winter quarters of Washington's army 1777–78.
- valve lifter — (in an internal-combustion engine) a tappet that opens a valve when actuated by a camshaft.