12-letter words containing a, f, r, o
- trefoil arch — an arch with cusplike intrados.
- trifoliolate — having three leaflets, as a compound leaf.
- trifurcation — to divide into three forks or branches.
- trinacriform — three-pronged
- tubulifloral — (of a plant) tubuliflorous
- unaffordable — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- uncalled for — not called for; not required; superfluous; unwanted.
- uncalled-for — not called for; not required; superfluous; unwanted.
- undreamed of — If you describe something as undreamed of, you are emphasizing that it is much better, worse, or more unusual than you thought was possible.
- unfavourable — Unfavourable conditions or circumstances cause problems for you and reduce your chances of success.
- unforecasted — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- unforewarned — not forewarned
- 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.
- unifactorial — of or relating to a single gene.
- unperforated — pierced with a hole or holes: Punch out along the perforated line.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unreformable — not able to be reformed or reclaimed
- up for grabs — to seize suddenly or quickly; snatch; clutch: He grabbed me by the collar.
- urban forest — the trees and plants within a city.
- valley forge — a village in SE Pennsylvania: winter quarters of Washington's army 1777–78.
- variant form — a way of writing a word which is used by some people as an alternative to the standard or generally accepted form
- verification — the act of verifying.
- vicar forane — dean1 (def 2b).
- vociferation — noisy outcry; clamor.
- wager of law — a form of trial in which the accused offered to make oath of his innocence, supported by the oaths of 11 of his neighbours declaring their belief in his statements
- war of words — argument
- waterfowling — the sport of shooting waterfowl
- waterproofed — Having been made waterproof.
- waterproofer — One who, or that which, makes waterproof.
- weatherproof — able to withstand exposure to all kinds of weather.
- welfare work — the efforts or programs of an agency, community, business organization, etc., to improve living conditions, increase job opportunities, secure hospitalization, and the like, for needy persons within its jurisdiction.
- well-favored — of pleasing appearance; good-looking; pretty or handsome.
- window frame — structure surrounding a window pane
- 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.
- wing-forward — either of the two forwards positioned at the outside of a scrum
- wolf-ferrari — Ermanno [er-mahn-naw] /ɛrˈmɑn nɔ/ (Show IPA), 1876–1948, Italian composer.
- woman friend — a female friend
- work surface — A work surface is a flat surface, usually in a kitchen, which is easy to clean and on which you can do things such as prepare food.
- world's fair — a large international exposition with exhibitions of arts, crafts, industrial and agricultural products, scientific achievements, etc.
- world-famous — famous throughout the world: a world-famous film.
- worst of all — You say worst of all to indicate that what you are about to mention is the most unpleasant or has the most disadvantages out of all the things you are mentioning.