Home›Browse›T›tax liabilitytax liabilityOur editors are putting together more complete content — check back in about 20 minutestax liabilitytax liability — nounnoun1. The amount of money that a person or organization legally owes to the government1.nounDefinitionThe amount of money that a person or organization legally owes to the government as tax.ExampleHis tax liability increased after he got a raise.