9-letter words containing a, u, s, o
- analogues — Plural form of analogue.
- anandrous — (of flowers) having no stamens
- ananthous — (of higher plants) having no flowers
- androgeus — a son of Minos and Pasiphaë who fell victim to Athenian King Aegeus: in revenge, Minos waged war on the Athenians and forced them to send a tribute of seven maidens and seven youths to the Minotaur every nine years.
- anestrous — not showing estrus.
- angostura — the bitter, aromatic bark of either of two South American citrus trees, Galipea officinalis or G. cusparia, used in medicine and in the preparation of liqueurs and bitters.
- angoumois — a region and former province of W France: famous as source of cognac.
- anhydrous — containing no water, esp no water of crystallization
- announces — Third-person singular simple present indicative form of announce.
- anoestrus — a period of sexual inactivity between two periods of oestrus in many mammals
- anomalous — Something that is anomalous is different from what is usual or expected.
- anonymous — If you remain anonymous when you do something, you do not let people know that you were the person who did it.
- antigonus — (Gonatus) c319–239 b.c, king of Macedonia 283–239 (son of Demetrius I).
- antiochus — name of thirteen kings of the Seleucid dynasty of Syria
- antonescu — Ion. 1882–1946, Romanian general and statesman; appointed prime minister (1940) by King Carol II. He was executed for war crimes
- antoninus — Marcus Aurelius, Marcus Aurelius.
- anxiously — full of mental distress or uneasiness because of fear of danger or misfortune; greatly worried; solicitous: Her parents were anxious about her poor health.
- apatosaur — a large, long-necked, herbivorous dinosaur
- apetalous — (of flowering plants) having no petals
- aphyllous — (of plants) having no leaves
- apiaceous — of the family Apiaceae; umbelliferous
- apivorous — eating bees
- apologues — Plural form of apologue.
- apronfuls — Plural form of apronful.
- aqueously — in water, or by means of water
- arboreous — thickly wooded; having many trees
- arbovirus — any one of a group of viruses that cause such diseases as encephalitis and dengue and are transmitted to humans by arthropods, esp insects and ticks
- archosaur — any of a group of reptiles consisting of dinosaurs, pterosaurs, modern birds, modern crocodiles and extinct relatives of crocodiles, all having a diapsid skull
- arduously — requiring great exertion; laborious; difficult: an arduous undertaking.
- areopagus — the hill to the northwest of the Acropolis in Athens
- argentous — of or containing silver in the monovalent state
- argonauts — Classical Mythology. a member of the band of men who sailed to Colchis with Jason in the ship Argo in search of the Golden Fleece.
- armourers — Plural form of armourer.
- armouries — a drill hall used for training and as headquarters by a reserve unit of the armed forces
- arousable — able to be aroused
- arsenious — of or containing arsenic in the trivalent state
- art house — a motion-picture theater specializing in the exhibition of art films.
- art-house — An art-house film is a film that is intended to be a serious artistic work rather than a piece of popular entertainment.
- as though — You use as if and as though when you are giving a possible explanation for something or saying that something appears to be the case when it is not.
- asbestous — having the look, structure or qualities of asbestos
- asepalous — (of a plant or flower) having no sepals
- ashburton — 1st Baron, Baring, Alexander.
- asmoulder — in a smouldering or slowly burning manner
- asomatous — having no material body; incorporeal.
- assidious — Misspelling of assiduous.
- assiduous — Someone who is assiduous works hard or does things very thoroughly.
- astichous — having a structure or layout that is not in rows
- astounded — If you are astounded by something, you are very shocked or surprised that it could exist or happen.
- astronaut — An astronaut is a person who is trained for travelling in a spacecraft.
- astroturf — Astroturf is a type of artificial fiber that is used instead of grass on some sports fields.