Dictionary.com
Thesaurus.com
Synonyms

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:

U.S. stocks rallied as Microsoft’s robust earnings report restored momentum to the artificial-intelligence boom.

From The Wall Street Journal Jul. 30, 2026

The Cupertino-based tech giant's results were powered by robust iPhone demand, a sharp rebound in China and double-digit growth in every region where it operates.

From Barron's Jul. 30, 2026

Some governments may also conclude that bearing the costs of a more robust response is preferable to living with repeated crises affecting international shipping and energy supplies.

From BBC Jul. 30, 2026

Samsung Electronics announced a record quarterly operating profit Thursday, but, despite the robust performance, a warm response from investors initially and an opening rally, the shares still closed down 0.72% on the day.

From MarketWatch Jul. 30, 2026

He tapped his index finger against his forehead, right between his robust eyebrows.

From "Darius the Great Is Not Okay" by Adib Khorram

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training