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robust

American  
[roh-buhst, roh-buhst] / roʊˈbʌst, ˈroʊ bʌst /

adjective

  1. strong and healthy; hardy; vigorous.

    a robust young man; a robust faith; a robust mind.

    Synonyms:
    sound, powerful
    Antonyms:
    feeble
  2. strongly or stoutly built.

    his robust frame.

    Antonyms:
    weak
  3. suited to or requiring bodily strength or endurance.

    robust exercise.

  4. rough, rude, or boisterous.

    robust drinkers and dancers.

    Synonyms:
    rambunctious, coarse
  5. rich and full-bodied.

    the robust flavor of freshly brewed coffee.

  6. strong and effective in all or most situations and conditions.

    The system requires robust passwords that contain at least one number or symbol.

    Our goal is to devise robust statistical methods.


robust British  
/ ˈrəʊbʌst, rəʊˈbʌst /

adjective

  1. strong in constitution; hardy; vigorous

  2. sturdily built

    a robust shelter

  3. requiring or suited to physical strength

    a robust sport

  4. (esp of wines) having a rich full-bodied flavour

  5. rough or boisterous

  6. (of thought, intellect, etc) straightforward and imbued with common sense

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of robust

First recorded in 1540–50; from Latin rōbustus “oaken, hard, strong,” equivalent to rōbus- (stem of rōbur “oak, strength”) + -tus, adjective suffix

Explanation

Use robust to describe a person or thing that is healthy and strong, or strongly built. This adjective also commonly describes food or drink: a robust wine has a rich, strong flavor. If your school has a robust sports program, it means they offer lots of different kinds of sports and that a lot of kids participate. If you have a robust speaking voice, it means you have a voice that's deep and loud and strong. Robust is from Latin robustus "of oak, hard, strong," from robur "oak tree, strength."

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Vocabulary lists containing robust

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.

Bob Sanguinetti, the Port of Aberdeen's chief executive, wants the successful candidate to call for a more "robust and holistic energy strategy".

From BBC • Jun. 10, 2026

“I look forward to having a robust and honest conversation about how we actually protect what is culturally very dear to members of my community.”

From Los Angeles Times • Jun. 9, 2026

Investors can get in on the robust upper-end housing market through Toll Brothers stock, KBW analysts Jade Rahmani, Ryan Tomasello, and Jason Sabshon wrote in a Monday note.

From Barron's • Jun. 9, 2026

In the Japanese company’s infocommunications segment, demand for cables, connectors and other devices tied to AI data centers should remain robust, they say.

From The Wall Street Journal • Jun. 8, 2026

The children’s gaze drifted between the two men, one huge, red, and robust, the other shriveled, bent, and so gray he was almost blue.

From "The Inquisitor's Tale" by Adam Gidwitz

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