Find Synonyms
sustainable Synonyms
Another word for sustainable
Choosing another word for sustainable depends on context, so the 15 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
• adjective (Context 1)
Able to be maintained or continued at a certain rate or level over the long term without exhausting resources.
Usage Example
"The company is working to build a viable business model that does not rely on short-term subsidies."
Strongest
viable
Strong
maintainable
feasible
workable
enduring
Weak
durable
• adjective (Context 2)
Conserving an ecological balance by avoiding the depletion of natural resources or severe damage to the environment.
Usage Example
"Local farmers are adopting eco-friendly agricultural practices to protect soil health for future generations."
Strongest
eco-friendly
Strong
renewable
green
• adjective (Context 3)
Capable of being upheld, defended, or justified with valid evidence or reasoning.
Usage Example
"The appellate court ruled that the prosecution's legal argument was no longer tenable given the new evidence."
Strongest
tenable
defensible
Strong
justifiable
supportable
valid
sound
Opposites of sustainable
The opposite of sustainable shifts depending on context. Common opposites include:
unsustainable
untenable
indefensible
unjustifiable
nonrenewable
short-lived
baseless
groundless
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Sustainable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sustainable