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.
"This study offers a seminal contribution to our understanding of aqueous solution thermodynamics," said co-author and Mechanical Engineering Department Head Dr. Guillermo Aguilar, who serves as the James and Ada Forsyth Professor.
From Science Daily • Apr. 27, 2026
In 2016, Hillary Clinton’s presidential campaign, taking inspiration and personnel from Barack Obama’s two election wins, was a data-heavy enterprise that relied on analytics — and, famously, an algorithm named Ada.
From Salon • Apr. 13, 2026
Security guard Pascal Duvier, most recently infamous for allegedly scolding 11-year-old Ada Law at a hotel in São Paulo, is clearing the air.
From Los Angeles Times • Mar. 26, 2026
In Ada Louise Huxtable’s architecture writing, buildings whirl off their footings and built interiors entice us to dance.
From The Wall Street Journal • Mar. 24, 2026
I was only there because Lucas Cader had convinced me that it was a sure way of seeing Ada Taylor, who was becoming increasingly skilled at avoiding me and screening my phone calls.
From "Where Things Come Back" by John Corey Whaley
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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.