TANTAMOUNT

tantamount. Tantamount, a. equivalent, worth full as much

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Tan″ta‐mount′ (?), a. [[F. tant so much (L. tantus) + E. amount.]] Equivalent in value, signification, or effect. A usage nearly tantamount to constitutional right. Hallam. The certainty that delay, under these circumstances, was tantamount to ruin. De Quincey.