robust

UK: /ˈrəʊbʌst/, /rəʊˈbʌst/

US: /roʊˈbʌst, ˈroʊbʌst/

US: (rō bust′, rō′bust)

WordReference Random House Learner's Dictionary of American English © 2026

ro•bust /roʊˈbʌst, ˈroʊbʌst/   adj. 

1. strong and healthy;
   vigorous:
   robust health.
2. stoutly built:
   the robust police officer.
3. rich and full-bodied:
   robust flavor.

ro•bust•ly, adv. 
ro•bust•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026

ro•bust  (rō bust′, rō′bust), adj. 

1. strong and healthy;
   hardy;
   vigorous:
   a robust young man;
   a robust faith;
   a robust mind.
2. strongly or stoutly built:
   his robust frame.
3. suited to or requiring bodily strength or endurance:
   robust exercise.
4. rough, rude, or boisterous:
   robust drinkers and dancers.
5. rich and full-bodied:
   the robust flavor of freshly brewed coffee.

• Latin rōbustus oaken, hard, strong, equivalent. to rōbus-, stem of rōbur oak, strength + -tus adjective, adjectival suffix
• 1540–50

ro•bust′ly, adv. 
ro•bust′ness, n. 
Synonyms

• 1. powerful, sound.
• 4. coarse, rambunctious.

Antonyms

• 1. feeble.
• 2. weak.

Collins Concise English Dictionary © HarperCollins Publishers::

robust / rəʊˈbʌst ˈrəʊbʌst/ 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

Etymology: 16th Century: from Latin rōbustus, from rōbur an oak, strength

roˈbustly adverb