Unsustainable

Synonyms for Unsustainable

• untenable
  not able to be supported in the future
• indefensible
• unjustifiable
• insupportable
• unverifiable
• unfounded
• weak
• unsound
• unreasonable
• unprovable
• unsupportable
• unviable
  not able to be supported in the future
• unsuitable
  not able to be supported in the future
• unendurable
  not able to be supported in the future
• implausible
  not able to be supported in the future
• unfeasible
  not able to be supported in the future
• brief
• fleeting
• temporary
• illogical
• unwarranted
• unworkable
• undemonstratable
• unmaintainable
• wasteful
• unmanageable
• unsanctionable
• unsubstantiatable
• shaky
• unacceptable

For more similar words, try Unsustainable on Thesaurus.plus dictionary

Phrases with Unsustainable