Antonyms of adj tantamount

1 sense of tantamount

Sense 1
equivalent, tantamount (predicate) -- (being essentially equal to something; "it was as good as gold"; "a wish that was equivalent to a command"; "his statement was tantamount to an admission of guilt")

INDIRECT (VIA equal) -> unequal -- (poorly balanced or matched in quantity or value or measure)

Similarity of adj tantamount

1 sense of tantamount

Sense 1
equivalent, tantamount (predicate) -- (being essentially equal to something; "it was as good as gold"; "a wish that was equivalent to a command"; "his statement was tantamount to an admission of guilt")
       => equal (vs. unequal) -- (having the same quantity, value, or measure as another; "on equal terms"; "all men are equal before the law")

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