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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)

antiproton
nounVery Low
/ˌantɪˈprəʊtɒn/The antiparticle of the proton, possessing the same mass but a negative electric charge.
antipruritic
adjectivenounC2 - Very Low Frequency (Specialist)
/ˌæn.ti.prʊəˈrɪt.ɪk/A substance or agent that relieves itching.
antipsychiatry
nounLow (C2)
/ˌænti.saɪˈkaɪə.tri/A movement that emerged in the 1960s which fundamentally challenged the core principles, practices, and scientific legitimacy of mainstream psychiatry, often viewing it as a mechanism of social control.
antipsychotic
adjectivenounC1
/ˌæn.ti.saɪˈkɒt.ɪk/A type of medication used to treat psychosis and related mental conditions like schizophrenia.
antipyretic
adjectivenounC1
/ˌænti.paɪˈret.ɪk/A substance or drug that reduces fever.
antipyrine
nounVery Low
/ˌantɪˈpʌɪriːn/A colourless crystalline compound formerly used as an analgesic and antipyretic drug.
antipyrotic
adjectivenounVery Low
/ˌæntɪpʌɪˈrɒtɪk/A substance used to treat or relieve burns.
antiquarian
adjectivenounC2
/ˌæn.tɪˈkweə.ri.ən/Relating to or dealing in old or rare books, objects, or historical documents.
antiquark
nounC2
/ˈæntiˌkwɑːk/The antiparticle of a quark; a fundamental subatomic particle that has the same mass and spin as its corresponding quark but opposite electric charge and other quantum numbers.
antiquary
nounC2
/ˈæntɪkwəri/A person who studies, collects, or deals in antiques and antiquities.
antiquate
verbverb-transitiveC2
/ˈæntɪkweɪt/To make something old-fashioned or obsolete; to replace with something newer.
antique
adjectivenounverb+2B2
/ænˈtiːk/A collectible item, especially a piece of furniture or a work of art, that is old and valuable because of its age and quality.
antique glass
nounC1
/ænˈtiːk ɡlɑːs/A general term for old, often decorative or collectible glass objects, such as bottles, vases, or decorative items, typically over 100 years old.
antiquer
nounLow
/ænˈtiːkə(r)/A person who deals in or collects antiques.
antiquing
nounC1
/ˈæn.tiː.kɪŋ/The activity of searching for, buying, or collecting antiques.
antiquities
plural-nounC1
/ænˈtɪkwɪtiz/Historical objects from the distant past, especially those from ancient civilisations, which are preserved and studied for their cultural, artistic, or historical value.
antiquity
nounC1-C2
/ænˈtɪk.wə.ti/The ancient past, especially the period before the Middle Ages.
antirachitic
adjectivenounVery Low (Highly specialized technical term)
/ˌantɪrəˈkɪtɪk/Having the ability to prevent or cure rickets, a disease caused by vitamin D deficiency.
antiracism
nounMedium
/ˌæn.tiˈreɪ.sɪ.zəm/The policy or practice of opposing racism and promoting racial equality.
antireflection coating
nounLow-frequency technical term
/ˌæn.ti.rɪˈflek.ʃən ˌkəʊ.tɪŋ/A thin optical layer applied to a surface (typically glass or plastic) to reduce reflections and glare by destructive interference of light waves.

Showing 5601–5620 of 8734 words.