1. being essentially equal to something
- his statement was tantamount to an admission of guilt
Sentences with tantamount as an adjective:
- It's tantamount to fraud.
- In this view, disagreement and treason are tantamount.
1. (obsolete) Something which has the same value or amount (as something else). (attributive use passing into adjective, below)
1. (obsolete) To amount to as much; to be equivalent.