Find Antonyms
viably Antonyms
Opposite of viably
Pinning down the opposite of viably requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adverb definition and ranked by contrast strength.
• adverb (Context 1)
In a manner that is capable of working, succeeding, or being sustained effectively in practice.
Usage Example
"The small community bookstore could no longer compete unviably against large online retailers."
Strongest
unviably
infeasibly
Strong
impractically
unsustainably
unsuccessfully
Similar words to viably
Words similar to viably shift depending on context. Common synonyms include:
feasibly
workably
practically
sustainably
practicably
successfully
healthily
Cite this Entry
Wordmom. (2026). Antonyms for Viably. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/viably