Definition of Robust
Quick Meaning of Robust
Strong and solid; able to handle difficult conditions without breaking or failing. Not fragile or weak.
Detailed Definition of Robust
Strong, healthy, and capable of withstanding pressure or difficulty; not easily damaged, harmed, or compromised.
How to Pronounce Robust
Stress pattern: oO (2-syllable word).
Tip: Stress the second syllable: ro-BUST. The 'o' sounds like in 'no', and the final 't' is clear.
Watch out: Some learners say 'RO-bust' (stress first syllable). Correct: ro-BUST (second syllable stressed). American: /roʊˈbʌst/, British: /rəʊˈbʌst/.
Origin and Etymology of Robust
From Latin 'robustus' (of oak wood, hence strong). Related to 'robur' (oak tree, strength). Entered English in 15th century from French 'robuste'.
How to Use Robust in a Sentence
Each example shows “robust” with a CEFR level so learners can pick examples that match their fluency.
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“The company developed a robust system to handle millions of transactions daily.”
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“Despite the economic crisis, the bank maintained robust financial reserves.”
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“Their robust argument was supported by extensive research data.”
Synonyms and Antonyms of Robust
Common Synonyms for Robust
Smart Synonyms for Robust — When to Use Each
- resilient
- Emphasizes ability to recover from difficulty or adversity
- sturdy
- More casual; emphasizes physical strength and durability
- solid
- Suggests both strength and stability
Common Collocations with Robust
These phrases pair with “robust” in everyday English:
- robust system
- robust framework
- robust evidence
- robust health
- robust economy
Common Mistakes When Using Robust
Even fluent speakers slip up with “robust”. Here’s how to avoid the most common errors:
- ✗ Wrong: The building is very robust strong.
- ✓ Correct: The building is very robust. / The building is very strong.
- Why: 'Robust' and 'strong' are synonyms; don't use both together.
- ✗ Wrong: A robust of the system was built.
- ✓ Correct: A robust system was built.
- Why: 'Robust' is an adjective modifying the noun 'system', not used with 'of'.
- ✗ Wrong: The robustness of the evidence are clear.
- ✓ Correct: The robustness of the evidence is clear.
- Why: 'Robustness' is singular; use 'is' not 'are'.
Other Forms of Robust
- Noun: robustness
- Adjective: robust
- Adverb: robustly
Frequently Asked Questions About Robust
What is the meaning of "Robust"?
Strong and solid; able to handle difficult conditions without breaking or failing. Not fragile or weak.
How do you pronounce "Robust"?
The IPA is /roʊˈbʌst/. Stress the second syllable: ro-BUST. The 'o' sounds like in 'no', and the final 't' is clear.
What part of speech is "Robust"?
"Robust" is an adjective at B2 level (Common European Framework).
What are synonyms for "Robust"?
Common synonyms include strong, sturdy, solid.
How do you use "Robust" in a sentence?
For example: "The company developed a robust system to handle millions of transactions daily."