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sustainable
adjective
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How to pronounce sustainable:

Definition of sustainable:

sustainable (adjective):
endurable
capable of being sustained

Synonyms for sustainable:

acceptable
affordable
bearable
defendable
defensible
endurable
justifiable
legitimate
maintainable
rational
reasonable
sensible
supportable
tenable
viable
Other 4-syllable words

Here are some other common 4-syllable words.

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