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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)

asthenosphere
nounLow
/æsˈθiː.nəʊ.sfɪə/The weak, ductile, partially molten layer of the Earth's upper mantle below the lithosphere.
asthma
nounB1
/ˈæsmə/A medical condition that causes difficulty in breathing, often due to inflammation and narrowing of the airways in the lungs.
asthmatic
adjectivenounC1
/æsˈmætɪk/Relating to or suffering from asthma, a medical condition causing breathing difficulties.
asti
nounLow
/ˈasti/A sparkling white wine from the Piedmont region of Italy, specifically referring to Asti Spumante or Moscato d'Asti.
asti spumante
nounC2
/ˌasti spuːˈmanteɪ/A sparkling white wine from the Asti region of Italy, known for its sweetness and low alcohol content.
astigmatic
adjectivenounC1
/ˌæstɪɡˈmætɪk/Having an optical defect in the eye where vision is blurred because light does not focus to a single point on the retina.
astigmatism
nounC1
/əˈstɪɡmətɪz(ə)m/A common visual defect where the eye's lens or cornea is irregularly shaped, causing blurred or distorted vision because light rays are not focused to a single point on the retina.
astigmatizer
nounVery Rare
/əˈstɪɡmətaɪzə/An optical device or element that induces astigmatism in a beam of light.
astigmatoscope
nounVery Low
/ˌæstɪɡˈmatəskəʊp/An optical instrument used to measure or examine astigmatism of the eye.
astigmatoscopy
nounVery rare (Specialist/Technical)
/əˌstɪɡ.məˈtɒs.kə.pi/The examination of the eye to detect astigmatism.
astigmometer
nounVery Low / Technical
/ˌæstɪɡˈmɒmɪtə/An instrument for measuring astigmatism in the eye.
astilbe
nounLow-frequency (C2)
/əˈstɪlbi/A genus of herbaceous perennial flowering plants, known for their feathery plumes of small, colourful flowers and fern-like foliage.
astolat
nounExtremely rare / Obscure
/ˈæstəlæt/A place name from Arthurian legend, the home of Elaine of Astolat (the Lady of Shalott).
aston
nounLow
/ˈæstən/Aston is primarily a proper noun, most commonly used as a surname or place name in England.
aston dark space
nounVery Low (C2)
/ˈæstən dɑːk speɪs/A specific dark region observed in a gas-discharge tube near the cathode, a phenomenon in early physics and electrical experiments.
astonish
verbverb-transitiveC1
/əˈstɒnɪʃ/To cause someone to feel great surprise or amazement, often unexpectedly.
astonished
adjectiveverbB1
/əˈstɒnɪʃt/Feeling or showing great surprise or amazement.
astonishment
nounB2
/əˈstɒnɪʃmənt/A feeling of great surprise or amazement.
astor
nounVery Low (Technical/Botanical)
/ˈastə/The common name for a plant, specifically a species of lavender (Lavandula stoechas), also known as French lavender. A plant of the genus Lavandula.
astoria
nounLow
/əˈstɔː.ri.ə/A proper noun referring primarily to a neighborhood in the New York City borough of Queens, named after the American businessman John Jacob Astor.

Showing 7541–7560 of 8734 words.