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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

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."

Keep Reading on Vocabulary.com

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.

See Examples For:

While the miner’s 20 Australian cents a share payout beats expectations, “the dividend is pretty low” when taking into account Regis’s cash position and robust free cash flow generation, Barrenjoey says.

From The Wall Street Journal Aug. 21, 2026

But the NFL has a more robust revenue-sharing system than MLB, and a bigger national TV contract to share.

From Los Angeles Times Aug. 21, 2026

Levanon, chief economist of the labor research firm Burning Glass Institute, said robust economic growth and low hiring makes perfect sense in a period of fast-rising productivity.

From MarketWatch Aug. 20, 2026

Fabrinet stock declines after the company posts solid earnings on robust data-center demand.

From Barron's Aug. 19, 2026

Never robust, he became depressed and lost weight.

From "The Woman All Spies Fear" by Amy Butler Greenfield

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