11-letter words containing ou
- amorousness — inclined or disposed to love, especially sexual love: an amorous disposition.
- amorphously — lacking definite form; having no specific shape; formless: the amorphous clouds.
- ampere-hour — a practical unit of quantity of electricity; the quantity that flows in one hour through a conductor carrying a current of 1 ampere. 1 ampere-hour is equivalent to 3600 coulombs
- amphibolous — ambiguous or equivocal, especially when due to the uncertain grammatical construction of a word or phrase.
- amphicelous — concave on both sides, as the bodies of the vertebrae of fishes.
- amphigenous — (of certain parasitic fungi) growing on both sides of leaves.
- amphipodous — (of certain invertebrates, such as sand hoppers) having both swimming and jumping appendages
- anacanthous — having no spines or thorns.
- anachronous — relating to anachronism; misplaced chronologically
- anacoloutha — Plural form of anacolouthon.
- analogously — having analogy; corresponding in some particular: A brain and a computer are analogous.
- anamorphous — lacking a clear or definite form
- androgenous — producing only male offspring
- androgynous — In biology, an androgynous person, animal, or plant has both male and female sexual characteristics.
- anfractuous — characterized by twists and turns; convoluted
- angiomatous — a benign tumor consisting chiefly of dilated or newly formed blood vessels (hemangioma) or lymph vessels (lymphangioma)
- anisogamous — reproducing by the fusion of dissimilar gametes or individuals, usually differing in size.
- anisomerous — (of flowers) having floral whorls that differ in the number of their parts
- annonaceous — belonging to the plant family Annonaceae.
- anomalously — deviating from or inconsistent with the common order, form, or rule; irregular; abnormal: Advanced forms of life may be anomalous in the universe.
- anonymously — without any name acknowledged, as that of author, contributor, or the like: an anonymous letter to the editor; an anonymous donation.
- antibilious — of a nature that can be used to counter biliousness
- anticarious — preventing or retarding caries.
- antifouling — (of a paint or other coating) inhibiting the growth of barnacles and other marine organisms on a ship's bottom
- antimonious — relating to or containing antimony
- anvil cloud — another name for a cumulonimbus cloud, which tends to be anvil-shaped
- anxiousness — full of mental distress or uneasiness because of fear of danger or misfortune; greatly worried; solicitous: Her parents were anxious about her poor health.
- apogamously — in an apogamous manner
- araliaceous — of, relating to, or belonging to the Araliaceae, a chiefly tropical family of trees, shrubs, or woody climbers having small clusters of whitish or greenish flowers. The family includes the ivy and ginseng
- arboraceous — resembling a tree
- arc-boutant — flying buttress.
- arduousness — requiring great exertion; laborious; difficult: an arduous undertaking.
- arenicolous — growing or living in sand or sandy places
- armour-clad — wearing armour
- arse around — If you say that someone is arsing around or arsing about, you mean that they are behaving in a silly, irritating way instead of getting something done.
- art nouveau — Art Nouveau is a style of decoration and architecture that was common in the 1890s. It is characterized by flowing lines and patterns of flowers and leaves.
- as you were — a military command to withdraw an order, return to the previous position, etc
- ascititious — having been added to from something inessential or separate
- assiduously — constant; unremitting: assiduous reading.
- asteraceous — belonging to the Asterasceae, an alternative name for the plant family Compositae.
- astoundment — the state of being astounded
- asyncronous — (spelling) It's spelled "asynchronous".
- athermanous — capable of stopping radiant heat or infrared radiation
- atrabilious — irritable
- atramentous — similar to or as black as ink
- atrociously — extremely or shockingly wicked, cruel, or brutal: an atrocious crime.
- audaciously — extremely bold or daring; recklessly brave; fearless: an audacious explorer.
- autophagous — self-consuming or devouring of itself
- autophanous — illuminated by a self-contained power source
- average out — If a set of numbers average out to a particular figure or if you average them out to that figure, their average is calculated to be that figure.