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BROWSE THE DICTIONARY

Words beginning with A

The letter A

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ACIA

American English pronunciation

Hear this word or name in the American Pronunciation Guide video.

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acid

/ˈæsəd/

Sour, sharp, or biting to the taste; tart; having the taste of vinegar.

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acjachemen

American English pronunciation

An indigenous people of California.

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acknowledge

/əkˈnɑ.lɪd͡ʒ/

To admit the knowledge of; to recognize as a fact or truth; to declare one's belief in.

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acne

/ˈækni/

A skin condition, usually of the face, that is common in adolescents. It is characterised by red pimples, and is caused by the infla…

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acnestis

American English pronunciation

The section of an animal's skin that it cannot reach in order to scratch itself, usually the space between the shoulder blades.

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aconcagua

/ɑkənˈkɑɡwə/Accent not specified by source

A mountain in Argentina in the Andes, the highest point in South America.

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acorn

/ˈeɪ.kɔɹn/

The fruit of the oak, being an oval nut growing in a woody cup or cupule.

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acoustic

/əˈkustɪk/

Used for soundproofing or modifying sound.

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Acoustic Research

American English pronunciation

Hear this word or name in the American Pronunciation Guide video.

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acquaintance

/ʌˈkweɪn.təns/

A state of being acquainted with a person; originally indicating friendship, intimacy, but now suggesting a slight knowledge less de…

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acquiesce

/ˌækwiˈɛs/

To rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or di…

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acquiescence

/ˌækwiˈɛsəns/

A silent or passive assent or submission, or a submission with apparent consent, distinguished from avowed consent on the one hand, …

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acquire

/əˈkwaɪɚ/

To get.

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acquitted

/əˈkwɪtɪd/

simple past and past participle of acquit

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acre

/ˈeɪ.kɚ/

An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840…

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acrimonious

/ˌæk.ɹɪˈmoʊ.ni.əs/

Angry, acid, and sharp in delivering argumentative replies: bitter, mean-spirited, sharp in language or tone.

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acrimony

/ˈækɹɪˌmoʊni/

A sharp and bitter hatred.

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Acrisure

American English pronunciation

Hear this word or name in the American Pronunciation Guide video.

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acrobat

/ˈæk.ɹə.bæt/

An athlete who performs acts requiring skill, agility and coordination, often as part of a circus performance.

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acromegaly

/ˌækɹoʊˈmɛɡəli/Accent not specified by source

A chronic disease marked by enlargement of the bones of the extremities, face, and jaw that is caused by over-activity of the pituit…

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acromion

/əˈkɹoʊ.mi.ən/

The outermost point of the shoulder blade.

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acropolis

/əˈkɹɑpələs/

A promontory (usually fortified with a citadel) forming the hub of many Grecian cities, and around which many were built for defensi…

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acrostic

/əˈkɹɔstɪk/

A poem or other text in which certain letters, often the first in each line, spell out a name or message.

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acrylic

/əˈkɹɪlɪk/

Derived from acrylic acid or acrylonitrile.

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act

/ækt/

Something done, a deed.

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Actemra

American English pronunciation

Hear this word or name in the American Pronunciation Guide video.

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active

/ˈæktɪv/

Having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives.

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actively

/ˈæktɪvli/

In an active manner.

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Activision

/ˈæktɪˌvɪʒən/

Hear this word or name in the American Pronunciation Guide video.

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