Word.ws English Dictionary

tantamount

UK/ˈtæntəˌmaʊnt//ˈtæntəˌmaʊnt/

tantamount adjective: equivalent in meaning or effect; amounting to the same thing in practical terms, even if being technically distinct.

Adjective

tantamount (comparative more tantamount, superlative most tantamount)

  1. Equivalent in meaning or effect; amounting to the same thing in practical terms, even if being technically distinct.
    • Every moment might bring the British cruisers in sight,—two important expeditions had already been baffled in that way,—and the absolute certainty, known to all parties alike, that delay, under these circumstances, was tantamount to ruin; […]1853, Thomas De Quincey, “French Invasion of Ireland, and Second Rebellion”, in Autobiographic Sketches (De Quincey’s Works; I), London: James Hogg & Sons, →OCLC, page 270
    • […] expecting the woman to take her attacker into physical custody is tantamount to preventing the arrest. If she could handle him, she probably would not need to call the police in the first place.1981, Del Martin, Battered Wives, page 90

Verb

tantamount (third-person singular simple present tantamounts, present participle tantamounting, simple past and past participle tantamounted)

  1. (intransitive, obsolete) To amount to as much; to be equivalent.
    • […] and yet this will not tant’amount to an immediate Divine inſtitution for Deacons, and how can it then for Presbyters ?a. 1657, Jeremy Taylor, “Of the Sacred Order and Offices of Episcopacy, By Divine Institution, Apostolical Tradition, and Catholick Practice”, in Συμβολον Ἠθικο-Πολεμικον: or a Collection of...

Noun

tantamount (plural tantamounts)

  1. (obsolete) Something which has the same value or amount (as something else). (attributive use passing into adjective, below)
    • For end thereof, not despondency but madness : for when Cossey understood that Hobday had called his wife a tantamount, he waited for him outside, and gave him what he called a pair of clippers over the ear.1977, Last Essays of Maurice Hewlett, page 42

tantamount meaning in Tamil, Urdu, Bengali and Malayalam

tantamount in Tamil

ஒப்பான, நிகரான

tantamount in Urdu

tantamount
سمان samān

tantamount in Bengali

সমপরিমাণ, একই সমান

tantamount in Malayalam

തുല്യമായ, ഒത്ത കണക്കിനുളള, ശരിയായ തോതിലുളള

Examples of tantamount in a sentence

  • In Bosnia, as in Rwanda, however, passive neutrality was tantamount to complicity with the perpetrators of “ethnic cleansing” and mass murder.2003 March 3, Philip Gourevitch, “The Optimist”, in The New Yorker:
  • Russia has said that it considers the weapons and other increased military aid that Western governments are sending to Ukraine tantamount to war, and has implied that it might strike NATO convoys.2022 March 16, Max Fisher, “As Russia Digs In, What’s the Risk of Nuclear War? ‘It’s Not Zero.’”, in The New York Times, →ISSN:
  • Musk is not running DOGE are tantamount to legal gaslighting,” CREW said.2025 March 30, Tierney Sneed, “Is DOGE actually an agency? The answer could have major ramifications”, in CNN:

All 15 example sentences with tantamount

Forms of tantamount

Adjective
comparativemore tantamount
superlativemost tantamount
Verb
third-person singular presenttantamounts
present participletantamounting
past participletantamounted
pasttantamounted
Noun
pluraltantamounts

Origin of tantamount

First attested in English in 1628. Either inherited from an unattested Middle English borrowing from Anglo-Norman tant amount, from amunter, from tant (“as much”) amonter (“to amount to”) or borrowed in the early 17th century from Italian tanto montare (“to amount to as much”).

Questions about tantamount

What does tantamount mean?
Tantamount means equivalent in meaning or effect; amounting to the same thing in practical terms, even if being technically distinct.
What is tantamount in Tamil?
Tantamount in Tamil is ஒப்பான, நிகரான. See Tantamount meaning in Tamil.
How do you use tantamount in a sentence?
In Bosnia, as in Rwanda, however, passive neutrality was tantamount to complicity with the perpetrators of “ethnic cleansing” and mass murder.
What part of speech is tantamount?
Tantamount can be an adjective, a verb or a noun.
How do you pronounce tantamount?
Tantamount is pronounced /ˈtæntəˌmaʊnt/ (UK).

Words near tantamount in the dictionary

  1. Tantalus cup
  2. Tantalus cups
  3. Tantalus sphinx
  4. Tantalus sphinxes
  5. tantaluses
  6. tantamount
  7. tantamounted
  8. tantamounting
  9. tantamounts
  10. Tantangara
  11. tantara

Source and license

Adapted from Wiktionary: tantamount (page history and authors); tantamount (Tamil Wiktionary) (page history and authors); سمان (Urdu) (page history and authors); tantamount (Bengali Wiktionary) (page history and authors); tantamount (Malayalam Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-tantamount.ogg, en-au-tantamount.ogg.

Cite this entry: “tantamount.” Word.ws, https://word.ws/tantamount. Based on Wiktionary, CC BY-SA 4.0.