9-letter words containing a, i, s
- apishness — The state or quality of being apish.
- apivorous — eating bees
- apneustic — of or relating to apneusis
- apologias — Plural form of apologia.
- apologies — a written or spoken expression of one's regret, remorse, or sorrow for having insulted, failed, injured, or wronged another: He demanded an apology from me for calling him a crook.
- apologise — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- apologist — An apologist is a person who writes or speaks in defence of a belief, a cause, or a person's life.
- apophasis — the device of mentioning a subject by stating that it will not be mentioned
- apophysis — a process, outgrowth, or swelling from part of an animal or plant
- apoptosis — the programmed death of some of an organism's cells as part of its natural growth and development
- apostille — a marginal annotation or note.
- apostolic — Apostolic means belonging or relating to a Christian religious leader, especially the Pope.
- apothesis — (architecture) A place on the south side of the chancel in primitive churches, furnished with shelves, for books, vestments, etc.
- appeasing — to bring to a state of peace, quiet, ease, calm, or contentment; pacify; soothe: to appease an angry king.
- appetiser — Alternative spelling of appetizer.
- appetites — Plural form of appetite.
- appliques — Plural form of applique.
- appraisal — If you make an appraisal of something, you consider it carefully and form an opinion about it.
- appraised — Simple past tense and past participle of appraise.
- appraisee — a person who is being appraised
- appraiser — An appraiser is someone whose job is to estimate the cost or value of something such as property.
- appraises — Third-person singular simple present indicative form of appraise.
- apprising — appraise.
- apprizers — Plural form of apprizer.
- apres-ski — Apres-ski is evening entertainment and social activities in places where people go skiing.
- apriorism — the philosophical doctrine that there may be genuine knowledge independent of experience
- apriorist — a person who believes in apriorism
- aprosexia — Inability to concentrate.
- apse line — the major axis of an elliptical orbit.
- apsidiole — a secondary, or small, apse
- aptitudes — Plural form of aptitude.
- aquarists — Plural form of aquarist.
- aquariums — Plural form of aquarium.
- aquatints — Plural form of aquatint.
- aquitards — Plural form of aquitard.
- arabinose — a pentose sugar in plant gums, esp of cedars and pines. It is used as a culture medium in bacteriology. Formula: C5H10O5
- arachnids — Plural form of arachnid.
- arapaimas — Plural form of arapaima.
- arbitress — a female arbitrator
- arborists — Plural form of arborist.
- 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
- arccosine — the function the value of which for a given argument between –1 and 1 is the angle in radians (between 0 and π), the cosine of which is that argument: the inverse of the cosine function
- archaisms — Plural form of archaism.
- archaizes — Third-person singular simple present indicative form of archaize.
- archivist — An archivist is a person whose job is to collect, sort, and care for historical documents and records.
- arhatship — the state of having achieved enlightenment, which is the ultimate goal of Theravada Buddhists
- aridities — being without moisture; extremely dry; parched: arid land; an arid climate.
- 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)