tantamount

adj.
Equivalent in effect or value: a request tantamount to a demand.

[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) + amunter, to amount to, variant of Old French amonter. See amount.]

adjective

Agreeing exactly in value, quantity, or effect: equal, equivalent, even¹, identical, same. Idioms: on a par, one and the same. See same/different/compare.

adj

Definition: same
Antonyms: different, opposite, polar, reverse

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IN BRIEF: Having equal or equivalent value, effect, or import.

...the repudiation of theoretical scientific inquiry is tantamount to a denial of what may be our most characteristically human trait. — Larry Laudan, U.S. philosopher of science.

Dansk (Danish)
adj. - ensbetydende

Nederlands (Dutch)
gelijk(waardig)

Français (French)
adj. - équivalent à

Deutsch (German)
adj. - gleichbedeutend

Ελληνική (Greek)
adj. - ισοδύναμος

Italiano (Italian)
equivalente

Português (Portuguese)
adj. - equivalente

Русский (Russian)
равносильный

Español (Spanish)
adj. - equivalente

Svenska (Swedish)
adj. - vara liktydig med, detsamma som, innebära

中文（简体）(Chinese (Simplified))
同等的, 相当于...的, 相等的

中文（繁體）(Chinese (Traditional))
adj. - 同等的, 相當於...的, 相等的

한국어 (Korean)
adj. - 동등한, 같은

日本語 (Japanese)
adj. - 同等の

العربيه (Arabic)
‏(صفه) مساو, معادل‏

עברית (Hebrew)
adj. - ‮שקול כנגד, שווה-ערך ל-, דינו כ-, כמוהו כ-, בבחינת-‬

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