Tantamount Definition

tăntə-mount

adjective

Having equal force, value, effect, etc.; equal or equivalent (to)

Webster's New World

Synonyms:

Antonyms:

verb

(obsolete) To amount to as much; to be equivalent.

Wiktionary

noun

(obsolete) Something which has the same value or amount (as something else). (attributive use passing into adjective, below)

Wiktionary

Other Word Forms of Tantamount

Singular:

tantamount

Plural:

From obsolete tantamount an equivalent from Anglo-Norman tant amunter to amount to as much tant so much, so great (from Latin tantum) (neuter of tantus) (from tam so to- in Indo-European roots) amunter to amount to variant of Old French amonter amount

From American Heritage Dictionary of the English Language, 5th Edition
From Anglo-Norman tant amunter.

From Wiktionary

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