Unsupportable: meaning, definitions and examples

Use 'unsupportable' when referring to something that cannot be maintained or backed up, often due to lack of resources or feasibility.

• His extravagant lifestyle was financially unsupportable.
• The unsupportable weight of the bridge led to its collapse.

Use 'untenable' when something cannot be maintained or held, often in reference to arguments, positions, or situations that are logically or practically indefensible.

• His argument was weak and ultimately untenable.
• The living conditions were untenable, forcing them to move.

Use 'indefensible' when describing something that cannot be justified or defended, often from a moral or logical standpoint. This word generally carries a negative connotation.

• Her actions were indefensible and caused a lot of harm.
• The decision to cut funding for education is indefensible.

Use 'unsustainable' to talk about situations or practices that cannot continue in the long term, often due to environmental, economic, or resource limitations.

• The current rate of deforestation is unsustainable.
• The business model proved to be unsustainable after a few years.

Use 'unjustifiable' to describe actions or decisions that lack a valid reason or explanation, often implying that any reason given would be insufficient. This word also generally carries a negative connotation.

• The company's treatment of its employees was unjustifiable.
• The expense was unjustifiable given their current financial situation.