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.

It operates a robust TV production studio and free-to-air channels that attract nearly 32% of the nation’s ad-supported viewing.

From Los Angeles Times • Jul. 6, 2026

"The case successfully overcame a number of robust legal challenges during the proceedings."

From BBC • Jul. 5, 2026

Supplies are especially robust in the West, where inventories are roughly 23% higher than the five-year average, according to the Energy Information Administration.

From The Wall Street Journal • Jul. 2, 2026

Economic data also showed Euro area inflation eased more than expected in June, while the U.S. showed strong manufacturing activity and robust labor growth, they add.

From The Wall Street Journal • Jul. 2, 2026

And yet Vincent looks healthy: he’s robust, sturdy, and vehemently alive.

From "Vincent and Theo: The Van Gogh Brothers" by Deborah Heiligman

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "robust" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com