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English Words Starting With A

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

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

asdic
nounVery low / Obsolete
/ˈæzdɪk/A historical active sonar system for detecting submarines by emitting sound pulses and listening for echoes.
asean
acronymnounC1
/ˈæsiː.æn/An intergovernmental political and economic organization of ten Southeast Asian nations.
aseity
nounVery Rare
/eɪˈsiːɪti/The property of being self-derived or having existence originating from and in oneself, independent of any external cause.
asemia
nounVery Low Frequency / Technical Term
/eɪˈsiːmɪə/The loss of the ability to communicate using signs, symbols, or language; the inability to understand or produce meaningful signs, including verbal and nonverbal symbols.
asenath
nounExtremely rare / Archaic
/ˈæsɪnæθ/A feminine personal name of biblical origin, specifically referring to the Egyptian wife of Joseph in the Book of Genesis.
asepsis
nounC2
/eɪˈsɛpsɪs/The state of being free from disease-causing microorganisms (pathogens).
aseptic
adjectivenounC1
/eɪˈsɛptɪk/Free from disease-causing microorganisms; sterile.
aseptic meningitis
nounC2
/eɪˌsɛptɪk ˌmɛnɪnˈdʒaɪtɪs/An inflammation of the membranes (meninges) surrounding the brain and spinal cord, characterized by the absence of culturable bacteria in the cerebrospinal fluid.
asexual
adjectivenounB2
/ˌeɪˈsek.ʃu.əl/A person who does not experience sexual attraction to others; lacking sexual orientation or interest in sexual activity.
asexual reproduction
nounMedium
/eɪˈsɛkʃuəl ˌriːprəˈdʌkʃən/A biological process where a single parent organism produces genetically identical offspring without the fusion of gametes (sex cells).
asexuality
nounC1-C2
/ˌeɪsɛkʃuˈælɪti/The state or quality of experiencing little or no sexual attraction to others.
asexualize
verb-transitiveVery Low
/eɪˈsɛkʃuəlaɪz/To render something asexual; to remove or strip sexual characteristics, references, or implications from something.
aseyev
nounExtremely Rare / Obscure
/əˈseɪɛf/ (hypothetical)
asgard
nounB2
/ˈæzɡɑːd/In Norse mythology, the celestial fortress or realm of the Æsir gods.
asgeirsson
nounVery Low
/ˈæsɡeɪərsən/A patronymic surname of Icelandic origin, meaning 'son of Ásgeir'.
ash
nounB1
/æʃ/The grey or black powdery substance left after something burns.
ash can
nounB2
/ˈæʃ kæn/A container, typically made of metal, for holding ashes from a fire or furnace.
ash can school
nounLow/Very Low (C2+)
/ˈæʃ kæn ˌskuːl/A group of early-20th-century American realist painters who depicted the gritty, everyday life of New York City's working-class neighbourhoods.
ash fall
nounLow (technical/context-specific)
/ˈæʃ ˌfɔːl/The precipitation of fine volcanic ash from an eruption cloud onto the ground.
ash flow
nounLow
/ˈæʃ ˌfləʊ/A dense, fast-moving current of hot volcanic ash, rock fragments, and gases that flows down the slopes of a volcano during an eruption.

Showing 7201–7220 of 8734 words.