7-letter words containing s, i
- astilbe — any perennial saxifragaceous plant of the genus Astilbe of E Asia and North America: cultivated for their ornamental spikes or panicles of pink or white flowers
- astoria — a port in NW Oregon, near the mouth of the Columbia River: founded as a fur-trading post in 1811 by John Jacob Astor. Pop: 9660 (2003 est)
- astrict — to bind, confine, or constrict
- astride — If you sit or stand astride something, you sit or stand with one leg on each side of it.
- astroid — a hypocycloid having four cusps
- at risk — To be at risk means to be in a situation where something unpleasant might happen.
- at sign — commercial at
- atavism — the recurrence in a plant or animal of certain primitive characteristics that were present in an ancestor but have not occurred in intermediate generations
- atavist — Biology. the reappearance in an individual of characteristics of some remote ancestor that have been absent in intervening generations. an individual embodying such a reversion.
- atheism — Atheism is the belief that there is no God. Compare agnosticism.
- atheist — An atheist is a person who believes that there is no God. Compare agnostic.
- athiest — Misspelling of atheist.
- athirst — having an eager desire; longing
- atishoo — Atishoo is used, especially in writing, to represent the sound that you make when you sneeze.
- atomics — the scientific study of atoms
- atomies — an atom; mote.
- atomise — to reduce to atoms.
- atomism — an ancient philosophical theory, developed by Democritus and expounded by Lucretius, that the ultimate constituents of the universe are atoms
- atomist — An adherent of atomism; one who believes matter is composed of elementary indivisible particles.
- atonies — Pathology. lack of tone or energy; muscular weakness, especially in a contractile organ.
- atopies — Plural form of atopy.
- atreids — a dynasty of rulers of ancient Mycenae, whose members included Atreus
- atresia — absence of or unnatural narrowing of a body channel
- atresic — marked by atresia
- atriums — Plural form of atrium.
- attains — Third-person singular simple present indicative form of attain.
- attires — to dress, array, or adorn, especially for special occasions, ceremonials, etc.
- attrist — to sadden or make sad
- audions — an early type of triode.
- aunties — Informal. aunt.
- aurides — Plural form of auride.
- auspice — patronage or guidance (esp in the phrase under the auspices of)
- austria — a republic in central Europe: ruled by the Hapsburgs from 1282 to 1918; formed a dual monarchy with Hungary in 1867 and became a republic in 1919; a member of the European Union; contains part of the Alps, the Danube basin in the east, and extensive forests. Official language: German. Religion: Roman Catholic majority. Currency: euro. Capital: Vienna. Pop: 8 221 646 (2013 est). Area: 83 849 sq km (32 374 sq miles)
- autoist — motorist.
- auxesis — growth in animal or plant tissues resulting from an increase in cell size without cell division
- awnings — Plural form of awning.
- azotise — Non-Oxford British standard spelling of azotize.
- baalism — the worship of false gods or idols
- babbies — Plural form of babby.
- babesia — any of several species of parasite that affect humans and animals, esp Babesia bigemina, which causes fever in cattle
- babyish — Babyish actions, feelings, or looks are like a baby's, or are immature.
- babysit — If you babysit for someone or babysit their children, you look after their children while they are out.
- baddies — a villainous or criminal person.
- baddish — rather bad; not very good.
- badious — chestnut coloured; brownish-red
- baffies — slippers
- baggies — (lowercase) Informal. any small bag or packet.
- bagnios — Plural form of bagnio.
- bagsing — Present participle of bags.
- bahaism — the religion of Bahaʾi.