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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)

annulus
nounC2
/ˈænjʊləs/A ring-shaped object, area, or structure.
annunciate
verbverb-transitiveLow
/əˈnʌnsɪeɪt/To formally or solemnly announce something, especially something of importance.
annunciation
nounLow
/əˌnʌnsiˈeɪʃ(ə)n/The act of formally or publicly announcing something, especially used in a religious context for the announcement by the angel Gabriel to the Virgin Mary that she would conceive Jesus.
annunciator
nounC1
/əˈnʌn.si.eɪ.tə/A signalling device, typically with lights or sounds, that indicates which specific location or device requires attention.
annus horribilis
nounLow
/ˌanəs hɒˈrɪbɪlɪs/A year of disaster or misfortune; a terrible year.
annus mirabilis
nounLow (C2)
/ˌanəs mɪˈrɑːbɪlɪs/A remarkable or fortunate year; specifically a year of notable events, often of a positive nature.
annwfn
nounVery Rare
/ˈænʊn/ or /ˈanuːn/The otherworld, or underworld, in Welsh mythology; a Celtic realm of the dead or supernatural beings.
anoa
nounC2/Extremely Rare
/əˈnəʊə/A small, wild ox native to the island of Sulawesi in Indonesia.
anobiid
nounC2
/əˈnəʊbɪɪd/A small beetle of the family Anobiidae, whose larvae bore into and damage wood, furniture, or books.
anocracy
nounC2
/əˈnɒkrəsi/A political regime that mixes democratic and autocratic features, characterized by unstable governance and weak institutions.
anode
nounlow-medium
/ˈæn.əʊd/The positively charged electrode through which electric current flows into a device from an external circuit.
anode dark space
nounVery Low
/ˈæn.əʊd dɑːk speɪs/A non-luminous region directly adjacent to the anode in certain types of gas discharge tubes, such as glow discharges.
anode glow
nounVery Low
/ˈæn.əʊd ɡləʊ/A luminous region of plasma that forms in a gas discharge tube (like a neon sign or a glow discharge tube) immediately adjacent to the positively charged electrode (anode).
anode resistance
nounLow (Technical)
/ˈæn.əʊd rɪˈzɪs.təns/The opposition to the flow of current within an anode or at its surface in an electrical circuit.
anodize
verbverb-transitiveC1-C2
/ˈæn.ə.daɪz/To coat a metal object, typically aluminium, with a protective oxide layer through electrolysis.
anodontia
nounExtremely Rare / Technical
/ˌænəʊˈdɒnʃə/A congenital condition characterized by the complete absence of teeth.
anodyne
adjectivenounC2
/ˈæn.ə.daɪn/A medicine or substance that relieves pain; something that soothes or comforts.
anoesis
nounRare (Academic/Technical)
/ˌanəʊˈiːsɪs/A state of consciousness that is purely sensory and receptive, devoid of intellectual or cognitive content; perception without comprehension.
anoestrus
nounRare (C2+)
/ænˈiːstrəs/A period of sexual quiescence or inactivity in female mammals, during which ovulation does not occur and they are not receptive to mating.
anoia
nounExtremely Rare
/əˈnɔɪ.ə/A medical term for a mental deficiency or lack of intelligence; extreme mental deficiency.

Showing 5121–5140 of 8734 words.