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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)

aspartame
nounB2
/ˈæspəteɪm/An artificial, low-calorie sweetener used as a sugar substitute in foods and drinks.
aspartate
nounC2 (Technical/Scientific)
/əˈspɑː.teɪt/A salt or ester of aspartic acid, an amino acid.
aspartic acid
nounLow frequency (specialist)
/əˌspɑː.tɪk ˈæs.ɪd/An acidic, non-essential amino acid that is a constituent of proteins and important in metabolism.
aspasia
nounVery Low
/æˈspeɪzɪə/An educated, cultured woman, especially one skilled in the arts of conversation and social grace.
aspect
nounB2
/ˈæspekt/A particular part, feature, or side of something.
aspect ratio
nounC1
/ˈæs.pekt ˈreɪ.ʃi.əʊ/The proportional relationship between the width and height of a shape, especially an image, screen, or display.
aspen
adjectivenounC1
/ˈæsp(ə)n/A type of deciduous tree, known for its leaves that flutter or tremble in the slightest breeze.
aspen hill
nounLow (as a specific place name); Very Low (as a generic description)
/ˈæspən hɪl/A proper noun referring to a specific place name, most commonly a populated place (e.g., a census-designated place in Maryland, USA, or a neighbourhood/suburb in other English-speaking countries). It denotes a geographical location, typically a community or area, often named for the presence of aspen trees and a hill.
asper
nounVery Low (Obsolete/Historical)
/ˈaspə/A former silver coin of the Ottoman Empire and Turkey.
asperate
adjectiveverb-transitiveExtremely Rare
/ˈæspəreɪt/(rare) To make rough, harsh, or uneven; specifically, to roughen a surface.
asperger syndrome
nounLow
/ˈæspɜːɡə ˌsɪndrəʊm/A neurodevelopmental condition, historically classified on the autism spectrum, characterised by significant difficulties in social interaction and nonverbal communication, alongside restricted and repetitive patterns of behaviour and interests, without significant delays in language or cognitive development.
asperger's syndrome
nounC2
/ˈæspɜːɡəz ˈsɪndrəʊm/A developmental condition primarily characterized by challenges in social interaction and nonverbal communication, alongside restricted and repetitive patterns of behavior and interests.
asperges
nounRare
/əˈspɜːdʒiːz/A Roman Catholic ceremony of sprinkling holy water.
aspergillosis
nounVery Low
/ˌæspədʒɪˈləʊsɪs/A disease, infection, or allergic reaction caused by fungi of the genus Aspergillus.
aspergillum
nounLow
/ˌaspəˈdʒɪləm/A brush or perforated globe with a handle, used in Roman Catholic and some other Christian churches for sprinkling holy water.
aspergillus
nounC2
/ˌæspəˈdʒɪləs/A genus of common mould fungi, often appearing as a powdery mass of greenish, bluish, or blackish spores.
asperity
nounC2
/æˈsper.ə.ti/Harshness or sharpness of tone, temper, or manner; severity.
aspermia
nounVery low
/eɪˈspɜː.mi.ə/The complete absence of semen in ejaculate.
asperse
verbverb-transitiveC2
/əˈspɜːs/To attack the reputation or integrity of someone by making false or damaging statements.
aspersion
nounC1
/əˈspɜːʃ(ə)n/A damaging or derogatory remark; the act of slandering or defaming.

Showing 7321–7340 of 8734 words.