9-letter words containing s, a
- aristaeus — a son of Apollo and Cyrene: protector of herds and fields
- aristarch — a severe critic.
- aristides — known as Aristides the Just. ?530–?468 bc, Athenian general and statesman, who played a prominent part in the Greek victories over the Persians at Marathon (490), Salamis (480), and Plataea (479)
- aristotle — a bottle
- ark shell — any marine bivalve of the family Arcidae, especially of the genus Arca, characterized by a heavy shell with a toothed hinge and a deep, boatlike inner surface.
- arm-twist — to subject to arm-twisting: The unions arm-twisted the government into negotiating by threatening widespread strikes.
- armaments — Armaments are weapons and military equipment belonging to an army or country.
- armatures — Plural form of armature.
- armchairs — Plural form of armchair.
- armistice — An armistice is an agreement between countries who are at war with one another to stop fighting and to discuss ways of making peace.
- armorless — any covering worn as a defense against weapons.
- armourers — Plural form of armourer.
- armouries — a drill hall used for training and as headquarters by a reserve unit of the armed forces
- arms race — An arms race is a situation in which two countries or groups of countries are continually trying to get more and better weapons than each other.
- armstrong — Edwin Howard. 1890–1954, US electrical engineer; invented the superheterodyne radio receiver and the FM radio
- army base — a centre from which military activities are coordinated
- army list — an official list of all serving commissioned officers of the army and reserve officers liable for recall
- armyworms — Plural form of armyworm.
- arnoldson — Klas Pontus [klahs pawn-tuh s] /klɑs ˈpɔn təs/ (Show IPA), 1844–1916, Swedish author and politician: Nobel Peace Prize 1908.
- aromatase — an enzyme that converts testosterone into an oestrogen
- aromatics — Plural form of aromatic.
- aromatise — Alternative spelling of aromatize.
- aroostook — river in N Me., flowing into the St. John River in New Brunswick, Canada: c. 140 mi (225 km)
- arousable — able to be aroused
- arpeggios — Plural form of arpeggio.
- arquebuse — A sort of trigger-based handgun or firearm, by which a burning match was applied, from which the musket was derived.
- arrangers — Plural form of arranger.
- arrantest — Superlative form of arrant.
- arrestant — a substance that stops a chemical reaction
- arresters — Plural form of arrester.
- arresting — attracting attention; striking
- arrestive — tending to arrest
- arrestors — Plural form of arrestor.
- arrhenius — Svante August (ˈsvantə ˈauɡʊst). 1859–1927, Swedish chemist and physicist, noted for his work on the theory of electrolytic dissociation: Nobel prize for chemistry 1903
- arrivisme — unscrupulous ambition
- arriviste — You describe someone as an arriviste when you are criticizing them because they are trying very hard to belong to an influential or important social group which you feel they have no right to belong to.
- arrogates — Third-person singular simple present indicative form of arrogate.
- arrowless — having no arrows
- arsaces i — founder of the Parthian empire c250 b.c.
- arseholed — very drunk
- arsenates — Plural form of arsenate.
- arseniate — (inorganic chemistry) arsenate.
- arsenical — of or containing arsenic
- arsenides — Plural form of arsenide.
- arsenious — of or containing arsenic in the trivalent state
- arsonists — Plural form of arsonist.
- art glass — (in the late 19th and early 20th centuries) any of the several varieties of glass using combinations of colors, special effects of opaqueness and transparency, etc., to create an aesthetic effect.
- art house — a motion-picture theater specializing in the exhibition of art films.
- art music — music written by a composer rather than passed on by oral tradition
- 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.