Browse by letter

English Words Starting With A

8,734 entries — pick a word to see its definition, pronunciation, and usage.

Filter

Parts of speech

Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

archlute
nounC2
/ˈɑːtʃluːt/A large stringed instrument of the lute family, with two pegboxes, developed in the late 16th and 17th centuries.
archness
nounC2
/ˈɑːtʃ.nəs/A manner of being playfully sly, teasing, or mockingly knowing.
archon
nounC1/C2
/ˈɑː.kɒn/A chief magistrate in ancient Greece, especially in Athens; a person in a position of great power or authority.
archoplasm
nounExtremely Rare / Historical / Technical
/ˈɑːkə(ʊ)ˌplæz(ə)m/The active, granular substance in a cell that forms the centrosome and spindle during cell division.
archosaur
nounLow
/ˈɑːkəsɔː/A member of the group of diapsid reptiles that includes crocodilians, pterosaurs, dinosaurs, and birds.
archpriest
nounC2/very rare
/ˌɑːtʃˈpriːst/A high-ranking priest in some Christian churches, historically the chief priest of a diocese or the head of a group of priests.
archrival
nounB2
/ˌɑːtʃˈraɪ.vəl/A chief or principal rival; the most significant competitor in a particular field or activity.
archsee
nounVery Low
/ˈɑːtʃˌsiː/A historical term for the main bishopric, diocese, or jurisdiction of an archbishop; an archbishopric.
archway
nounB2
/ˈɑːtʃweɪ/a passage or entrance with a curved or arched top.
arcimboldi
nounLow
/ˌɑːtʃɪmˈbɒldi/A reference to Giuseppe Arcimboldo, an Italian painter famous for his imaginative portrait heads made entirely of objects such as fruits, vegetables, fish, and books.
arcimboldo
nounVery Low
/ˌɑːtʃɪmˈbɒldəʊ/A proper noun referring to the 16th-century Italian painter Giuseppe Arcimboldo, known for creating imaginative portrait heads made entirely of objects such as fruits, vegetables, flowers, fish, and books.
arciniegas
nounVery rare (proper noun)
/ɑːsiːˈnjeɪɡəs/A family name of Spanish origin.
arcked
verbvery low
/ɑːkt/formed or made into an arc; bent into a curve
arcmin
nounLow
/ˈɑːkˌmɪn/A unit of angular measurement equal to one sixtieth (1/60) of a degree.
arcograph
nounExtremely rare / Obsolete
/ˈɑː.kə.ɡrɑːf/A drafting instrument designed for drawing arcs and circles without using a fixed compass.
arcology
nounVery Low
/ɑːˈkɒlədʒi/A self-contained, densely populated architectural structure or settlement designed to minimize environmental impact by integrating housing, commerce, agriculture, and services into a single, efficient ecosystem.
arcosolium
nounExtremely Low
/ˌɑːkəʊˈsəʊlɪəm/An arched recess, used as a type of tomb or burial niche, in the catacombs of ancient Rome.
arcsec
nounC2
/ˈɑːksɛk/The inverse of the secant function (sec⁻¹(x)), an inverse trigonometric function that returns the angle whose secant is a given number.
arctic
adjectivenounB1
/ˈɑːktɪk/relating to or characteristic of the region around the North Pole
arctic char
nounC1
/ˌɑːk.tɪk ˈtʃɑː/A cold-water fish (Salvelinus alpinus) of the salmon family, found in northern regions.

Showing 6481–6500 of 8734 words.