释义 
		[ tan -tuh -mount ] SHOW IPA 
/ ˈtæn təˌmaʊnt / PHONETIC RESPELLING 
SEE SYNONYMS FOR tantamount  ON THESAURUS.COM
adjective equivalent, as in value, force, effect, or signification: His angry speech was tantamount to a declaration of war.  
Origin of tantamount  First recorded in 1635–45; adjective use of obsolete noun, “that which amounts to as much, something equivalent,” itself a noun use of an obsolete verb, “to amount to as much,” from Anglo-French tant amunter  or Italian tanto montare  “to amount to as much,” from Latin tantum,  neuter of adjective tantus   “of such size, so great”; see tanto, amount
synonym study for tantamount See equal. 
WORDS THAT MAY BE CONFUSED WITH tantamount paramount, tantamount   Words nearby tantamount  tantalizing, tantalous, tantalum, Tantalus, tantalus monkey, tantamount , tantara, T antigen, tantivy, tant mieux, tanto
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for tantamount To this aide, these attacks were tantamount  to “asking to intervene on the side of ISIS.”
Why Rand Paul Suddenly Wants to Bomb Syria | Olivia Nuzzi| September 12, 2014| DAILY BEAST
He was given the choice of two years in prison or oestrogen injections, tantamount  to chemical castration.
Benedict Cumberbatch on 'The Imitation Game,' Homophobia, and How to Combat ISIS | Marlow Stern| September 8, 2014| DAILY BEAST
Being shamed by her church was tantamount  to losing her community and her job.
Mississippi Is Hell for These Lesbians | Emily Shire| August 8, 2014| DAILY BEAST
For them the 18-day search for the Israeli teens and the manhunt for their captors was tantamount  to collective punishment.
There Is No Moral Equivalent to the Murder of Three Israeli Teenagers | Thane Rosenbaum| July 2, 2014| DAILY BEAST
Forcing a baby to sleep outside the ‘Family Bed’ is tantamount  to neglect.
From ‘Clueless’ to Clueless: Alicia Silverstone’s ‘The Kind Mama’ | Lizzie Crocker| April 22, 2014| DAILY BEAST
As arrest was tantamount  to sentence of death, Scellier continued his work.
The Theory of Social Revolutions | Brooks Adams
Comte called the world, which is tantamount  to matter, the great fetich, and I agree with Comte.
The Jacket (The Star-Rover) | Jack London
So that to live in a house of many pictures was tantamount , for the time, to a liberal education in itself.
Familiar Studies of Men and Books | Robert Louis Stevenson
His attitude was tantamount  to admission, and as such Eden construed it.
It is said to have been founded by Radu Negru, which is tantamount  to saying that its foundation is lost in obscurity.
Roumania Past and Present | James Samuelson
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British Dictionary definitions for  tantamount adjective (postpositive  foll by to )  as good (as); equivalent in effect (to) his statement was tantamount to an admission of guilt 
Word Origin for tantamount C17: basically from Anglo-French tant amunter  to amount to as much, from tant  so much + amunter  to amount 
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Words related to tantamount identical, commensurate, alike, duplicate, equal, equivalent, indistinguishable, like, parallel, synonymous, uniform, very, selfsame, as good as