13-Letter Words Starting With A
Here's the list of all the 864 13-Letter Words Starting With A in the English Language.
The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.
| Common Words (with Definitions and Examples) | |
|---|---|
| accommodation | 1. making or becoming suitable; adjusting to circumstances 2. a settlement of differences More Definitions → |
| approximately | 1. (of quantities) imprecise but fairly close to correct More Definitions → |
| automatically | 1. in a reflex manner 2. in a mechanical manner; by a mechanism More Definitions → |
| advertisement | 1. a public promotion of some product or service More Definitions → |
| administrator | 1. someone who administers a business 2. the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor More Definitions → |
| accessibility | 1. the quality of being at hand when needed 2. the attribute of being easy to meet or deal with More Definitions → |
| architectural | 1. of or pertaining to the art and science of architecture More Definitions → |
| authorization | 1. a document giving an official instruction or command 2. the power or right to give orders or make decisions More Definitions → |
| accreditation | 1. the act of granting credit or recognition (especially with respect to an educational institution that maintains suitable standards) More Definitions → |
| alternatively | 1. in place of, or as an alternative to More Definitions → |
| appropriately | 1. in accordance with what is appropriate or suitable for the circumstances More Definitions → |
| appropriation | 1. money set aside (as by a legislature) for a specific purpose 2. incorporation by joining or uniting More Definitions → |
| approximation | 1. an approximate calculation of quantity or degree or worth 2. the quality of coming near to identity (especially close in quantity) More Definitions → |
| autobiography | 1. a biography of yourself More Definitions → |
| applicability | 1. relevance by virtue of being applicable to the matter at hand More Definitions → |
| authoritative | 1. having authority or ascendancy or influence 2. of recognized authority or excellence More Definitions → |
| assassination | 1. an attack intended to ruin someone's reputation 2. murder of a public figure by surprise attack More Definitions → |
| authenticated | 1. established as genuine More Definitions → |
| amplification | 1. addition of extra material or illustration or clarifying detail 2. the amount of increase in signal power or voltage or current expressed as the ratio of output to input More Definitions → |
| authorisation | 1. a document giving an official instruction or command 2. the power or right to give orders or make decisions More Definitions → |
| accompaniment | 1. an event or situation that happens at the same time as or in connection with another 2. a musical part (vocal or instrumental) that supports or provides background for other musical parts More Definitions → |
| acetaminophen | 1. an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets) More Definitions → |
| antimicrobial | 1. capable of destroying or inhibiting the growth of disease-causing microorganisms 2. an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease More Definitions → |
| accommodating | 1. obliging; willing to do favors 2. helpful in bringing about a harmonious adaptation More Definitions → |
| authoritarian | 1. a person who behaves in a tyrannical manner 2. characteristic of an absolute ruler or absolute rule; having absolute sovereignty More Definitions → |
| apportionment | 1. the act of distributing by allotting or apportioning; distribution according to a plan More Definitions → |
| archeological | 1. related to or dealing with or devoted to archaeology More Definitions → |
| acceptability | 1. satisfactoriness by virtue of conforming to approved standards More Definitions → |
| antibacterial | 1. destroying bacteria or inhibiting their growth 2. any drug that destroys bacteria or inhibits their growth More Definitions → |
| astrophysical | 1. of or concerned with astrophysics More Definitions → |
| acetylcholine | 1. a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems More Definitions → |
| anthropogenic | 1. of or relating to the study of the origins and development of human beings More Definitions → |
| admissibility | 1. acceptability by virtue of being admissible More Definitions → |
| archaeologist | 1. an anthropologist who studies prehistoric people and their culture More Definitions → |
| aesthetically | 1. in a tasteful way More Definitions → |
| amitriptyline | 1. a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications More Definitions → |
| argumentation | 1. a discussion in which reasons are advanced for and against some proposition or proposal 2. a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning More Definitions → |
| antipsychotic | 1. tranquilizer used to treat psychotic conditions when a calming effect is desired More Definitions → |
| accelerometer | 1. an instrument for measuring the acceleration of aircraft or rockets More Definitions → |
| authenticator | 1. one who determines authenticity (as of works of art) or who guarantees validity More Definitions → |
| airworthiness | 1. fitness to fly More Definitions → |
| argumentative | 1. given to or characterized by argument More Definitions → |
| assertiveness | 1. aggressive self-assurance; given to making bold assertions More Definitions → |
| astonishingly | 1. in an amazing manner; to everyone's surprise More Definitions → |
| anticoagulant | 1. medicine that prevents or retards the clotting of blood More Definitions → |
| affirmatively | 1. in an affirmative manner More Definitions → |
| agglomeration | 1. a jumbled collection or mass 2. the act of collecting in a mass; the act of agglomerating More Definitions → |
| antihistamine | 1. a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site More Definitions → |
| acidification | 1. the process of becoming acid or being converted into an acid More Definitions → |
| authentically | 1. genuinely; with authority More Definitions → |
| afforestation | 1. the conversion of bare or cultivated land into forest (originally for the purpose of hunting) More Definitions → |
| arteriovenous | 1. connecting an artery to a vein More Definitions → |
| actualization | 1. making real or giving the appearance of reality More Definitions → |
| amniocentesis | 1. (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities More Definitions → |
| acculturation | 1. the adoption of the behavior patterns of the surrounding culture 2. all the knowledge and values shared by a society More Definitions → |
| anachronistic | 1. chronologically misplaced More Definitions → |
| acrylonitrile | 1. a colorless liquid unsaturated nitrile made from propene More Definitions → |
| algebraically | 1. in an algebraic manner More Definitions → |
| assemblywoman | 1. a woman assemblyman More Definitions → |
| arboriculture | 1. the tending of and caring for trees More Definitions → |
| agglutination | 1. a clumping of bacteria or red cells when held together by antibodies (agglutinins) 2. the building of words from component morphemes that retain their form and meaning in the process of combining More Definitions → |
| attentiveness | 1. paying particular notice (as to children or helpless people) 2. the trait of being considerate and thoughtful of others More Definitions → |
| aspergillosis | 1. severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys 2. an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs More Definitions → |
| arbitrariness | 1. the trait of acting unpredictably and more from whim or caprice than from reason or judgment More Definitions → |
| audiocassette | 1. a cassette for audiotape More Definitions → |