tantamount [ tan-tuh-mount ]
1. equivalent, as in value, force, effect, or signification: His angry speech was tantamount to a declaration of war.
WORDS THAT MAY BE CONFUSED WITH TANTAMOUNT
WORDS RELATED TO TANTAMOUNT
identical, commensurate, alike, duplicate, equal, equivalent, indistinguishable, like, parallel, synonymous, uniform, very, selfsame
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Origin: 1635–45; adj. use of obsolete noun: that which amounts to as much, itself noun use of obsolete v.: to amount to as much < Anglo-French tant amunter or Italian tanto montare to amount to as much. See tanto, amount
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