tantamount
C1CEFR level
60/100Rarity: rare
FormalRegister
Equivalent in seriousness or effect to something else; virtually the same as.
Refusing to answer the question was tantamount to an admission of guilt.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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