ro·​bust | \ rō-ˈbəst How to pronounce robust (audio) , ˈrō-(ˌ)bəst \

Definition of robust

1a : having or exhibiting strength or vigorous health
b : having or showing vigor, strength, or firmness a robust debate a robust faith
c : strongly formed or constructed : sturdy a robust plastic
d : capable of performing without failure under a wide range of conditions robust software
2 : rough, rude stories … laden with robust, down-home imageryPlayboy
3 : requiring strength or vigor robust work
4 : full-bodied robust coffee also : hearty a robust dinner
5 : relating to, resembling, or being a specialized group of australopithecines characterized especially by heavy molars and small incisors adapted to a vegetarian diet

Note: Robust australopithecines are included in the genus Australopithecus along with gracile forms or placed in the separate genus Paranthropus.

— compare gracile sense 3

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Other Words from robust

robustly adverb
robustness \ rō-​ˈbəs(t)-​nəs How to pronounce robust (audio) , ˈrō-​(ˌ)bəs(t)-​ \ noun

Choose the Right Synonym for robust

healthy, sound, wholesome, robust, hale, well mean enjoying or indicative of good health. healthy implies full strength and vigor as well as freedom from signs of disease. a healthy family sound emphasizes the absence of disease, weakness, or malfunction. a sound heart wholesome implies appearance and behavior indicating soundness and balance. a face with a wholesome glow robust implies the opposite of all that is delicate or sickly. a lively, robust little boy hale applies particularly to robustness in old age. still hale at the age of eighty well implies merely freedom from disease or illness. she has never been a well person

Examples of robust in a Sentence

If Singapore, just seven miles to the north with its glittering skyline and robust economy, is Southeast Asia's Cinderella, Batam is her dark sister. — Peter Gwin, National Geographic, October 2007 The greatest gains in mine mechanization came in a burst of innovation following World War II, when robust new machines were developed … — Robert L. Marovelli, Scientific American, September 1982 Humfry was a man whom everyone noticed. His stature was above ordinary, his complexion sanguine, his conversation lively, and his constitution robust. — Samuel Eliot Morison, The European Discovery of America, 1971 Why is almost every robust healthy boy with a robust healthy soul in him, at some time or other crazy to go to sea? — Herman Melville, Moby Dick, 1851 robust young men and women He is in robust health. The sauce has a robust flavor.
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Recent Examples on the Web About a year ago, the college graduating class of 2020 was primed to enter one of the most robust hiring markets in the last half-century or so. Phil Blair, San Diego Union-Tribune, 31 May 2021 The study compared the fertilizers to Maine standards for PFAS in biosolids, the state with the most robust action for the chemicals in biosolids, the document noted. Laura Schulte, Milwaukee Journal Sentinel, 28 May 2021 Then there’s the aforementioned homelessness and the fact that California has both the most robust economy and the highest rate of poverty. Steve Lopez Columnist, Los Angeles Times, 7 May 2021 New York, according to An’s research, has the most robust curriculum guidelines featuring Asian American history, with 14 mentions of Asian American events or historical figures, followed by Minnesota with nine, and Hawaii and Oregon with eight., 16 June 2021 South Africa, with the continent’s most robust economy and most coronavirus cases, has just 0.8% of its population fully vaccinated, according to Johns Hopkins University tracking. Chronicle Staff, San Francisco Chronicle, 13 June 2021 San Francisco is one of the cities with the most robust vaccination efforts, with 69% of the population 12 and older fully vaccinated and 79% with at least one dose, according to the city's COVID-19 tracker. Marlene Lenthang, ABC News, 11 June 2021 Peru's electoral system is considered one of the most robust in Latin America, having been tested in a string of recent elections, including the 2016 vote, when Pedro Pablo Kuczynski defeated Fujimori by an even smaller margin of votes. Franklin Briceno And Joshua Goodman, Star Tribune, 10 June 2021 China, with its aggressive network rollouts and strong portfolio of homegrown 5G smartphone players, including the likes of realme, was the most robust among them, accounting for more than half of all 5G devices sold globally. Realme, Forbes, 7 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'robust.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of robust

15th century, in the meaning defined at sense 1a

History and Etymology for robust

Latin robustus oaken, strong, from robor-, robur oak, strength

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Time Traveler for robust

Time Traveler

The first known use of robust was in the 15th century

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Statistics for robust

Last Updated

18 Jun 2021

Cite this Entry

“Robust.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2021.

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More Definitions for robust



English Language Learners Definition of robust

: strong and healthy
: strongly formed or built
: successful or impressive and not likely to fail or weaken


ro·​bust | \ rō-ˈbəst How to pronounce robust (audio) \

Kids Definition of robust

: strong and healthy

Other Words from robust

robustly adverb


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