Ada
1 Americannoun
noun
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a city in central Oklahoma.
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Douay Bible. Adah.
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a first name: from a Germanic word meaning “noble.”
abbreviation
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American Dental Association. null A.D.A.
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American Diabetes Association. null A.D.A.
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Americans for Democratic Action. null A.D.A.
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Americans with Disabilities Act: a federal law prohibiting discrimination against people with physical or mental impairments and guaranteeing access to employment opportunities and access to state and local government programs and services, signed by President George H. W. Bush in 1990.
abbreviation
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American Dental Association.
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American Diabetes Association.
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Americans for Democratic Action.
noun
Etymology
Origin of Ada
Named after Augusta Ada (Byron), Countess of Lovelace (1815–37), English mathematician, who assisted Charles Babbage in developing a precursor of the modern computer
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Straightforward storytelling was never the strong suit of the show, which relied very much on Mr. Murphy’s charisma and that of his co-stars, notably Sophie Rundle, who plays sister Ada Shelby.
From The Wall Street Journal • Mar. 19, 2026
A secret tunnel in the Surrey Hills linked to prominent 19th Century mathematician Ada Lovelace is to reopen after lying hidden for five decades.
From BBC • Mar. 17, 2026
Among them are people like Ada Hernandez, who owned a 1950s home on Mountain View Street with her husband, Miguel, where they lived with their 5-year-old son, Mason, 2-year-old Sadie and 14-year-old dog Bentley.
From Los Angeles Times • Jan. 7, 2026
Lyon made it three wins from three with a 3-1 victory over Wolfsburg, star Norwegian striker Ada Hegerberg netting twice in the first half before Wendie Renard claimed a third from the penalty spot.
From Barron's • Nov. 11, 2025
This one was off the coast of a small island called Yassi Ada, which lay off the coast of Turkey.
From "Shipwrecked!" by Martin W. Sandler
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.