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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)

amyotonia
nounC2
/eɪˌmaɪə(ʊ)ˈtəʊnɪə/A pathological condition characterized by a lack or loss of muscle tone.
amyotrophic lateral sclerosis
nounLow frequency
/ˌeɪ.maɪ.əˌtrɒf.ɪk ˌlæt.ər.əl skləˈrəʊ.sɪs/A progressive neurodegenerative disease affecting nerve cells in the brain and spinal cord, leading to muscle weakness and paralysis.
amyotrophy
nounVery Low
/ˌeɪ.maɪˈɒ.trə.fi/The progressive wasting and loss of muscle tissue.
amytal
nounC1
/ˈæmɪtɔːl/A barbiturate drug used as a sedative or hypnotic.
amythaon
nounN/A (Non-existent word)
None; this is not a word in the English lexicon and has no established meaning.
amyxorrhea
nounExtremely Rare / Technical
/ˌeɪ.mɪk.səˈriː.ə/Absence of mucus secretion.
an lu shan
nounVery Low
/ˌæn ˈluːˈʃæn/A historical figure, a military general of Sogdian and Göktürk origin who instigated the devastating An Lushan Rebellion (755–763 CE) against China's Tang dynasty.
an nhon
nounA1
/ən/, /æn/indefinite article used before singular countable nouns when the noun is mentioned for the first time or is non-specific
ana
adjectivenounRare / Obsolete
/ˈɑːnə/A collection of memorable sayings, anecdotes, or miscellaneous information about a particular person, subject, or place.
anabaena
nounVery Rare
/ˌænəˈbiːnə/A genus of filamentous, nitrogen-fixing cyanobacteria (blue-green algae) found in freshwater.
anabantid
adjectivenounC1/C2
/ˌanəˈbantɪd/A small freshwater fish belonging to the family Anabantidae, also known as a labyrinth fish, characterized by a labyrinth organ for breathing atmospheric air.
anabaptist
adjectivenounC2
/ˌæn.əˈbæp.tɪst/A member of a Christian movement originating in the 16th century, characterized by the belief that baptism should only be administered to believing adults (or those old enough to profess their faith), and often associated with pacifism and separation of church and state.
anabas
nounVery low
/ˈænəbæs/A genus of freshwater fish native to South and Southeast Asia, known for their ability to leave water and move over land using their pectoral fins.
anabasine
nounVery Low (C2+)
/əˈnabəsiːn/A toxic, liquid alkaloid found in certain plants, particularly tobacco and the Anabasis genus, with insecticidal properties.
anabasis
nounC2
/əˈnabəsɪs/A journey or march up from the coast or inland, especially a military advance into the interior.
anabiosis
nounVery low
/ˌanəbʌɪˈəʊsɪs/A state of suspended animation or dormancy in an organism, where metabolic processes are extremely reduced, allowing survival in adverse conditions.
anableps
nounVery Rare / Technical
/ˈænəblɛps/A small genus of fish (family Anablepidae), commonly known as four-eyed fish, due to their unique eyes adapted for seeing both above and below water simultaneously.
anabolic steroid
nounC1
/ˌæn.əˌbɒl.ɪk ˈstɛr.ɔɪd/A synthetic hormone that resembles testosterone, primarily used to promote muscle growth and tissue repair.
anabolism
nounC2
/əˈnæb.ə.lɪ.zəm/The metabolic process in which the body builds complex molecules from simpler ones, requiring energy.
anabolite
nounC2/Highly Specialized
/əˈnabəlʌɪt/A substance produced by anabolism; a product of a constructive metabolic process.

Showing 4341–4360 of 8734 words.