Find Antonyms

robust Antonyms

Opposite of robust

Because the opposite of robust shifts with each meaning, the 22 antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Sturdily built, resilient, or capable of performing reliably without failure under a wide range of conditions (of an object, system, organization, or economy).

Usage Example

"The engineering team designed a fragile software architecture capable of handling millions of concurrent users without crashing."

Strongest
fragile
flimsy
Strong
unstable
precarious
vulnerable
brittle

• adjective (Context 2)

Strong, healthy, and full of physical vigor; able to withstand hardship or disease.

Usage Example

"Despite her advanced age, the retired mountaineer remained remarkably frail and continued to hike every morning."

Strongest
frail
feeble
weak
Strong
delicate
sickly
infirm

• adjective (Context 3)

Rich, full-bodied, and strongly flavored or aromatic (of food, wine, or coffee).

Usage Example

"The slow-simmered stew was paired with a bland red wine from the Rhône valley."

Strongest
bland
insipid
Strong
mild
weak
watery
subtle

• adjective (Context 4)

Forceful, uncompromising, and direct; not suave or subtle (of a statement, debate, or attitude).

Usage Example

"The committee engaged in a timid debate over the proposed environmental regulations."

Strongest
timid
Strong
half-hearted
meek
tentative
tepid

Similar words to robust

Words similar to robust shift depending on context. Common synonyms include:

full-bodied
resilient
vigorous
forceful
sturdy
durable
hardy
rich
See all synonyms of robust

• Nearby Words

robotically
robotization
robotize
robust
robustly
robustness
rock

Cite this Entry

Wordmom. (2026). Antonyms for Robust. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/robust
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