See tantamount to
'tantamount' in Other Languages
- British English: tantamount ADJECTIVE
If you say that one thing is tantamount to a second, more serious thing, you are emphasizing how bad, unacceptable, or unfortunate the first thing is by comparing it to the second.What he is saying is tantamount to heresy.
Definition of tantamount from the Collins English Thesaurus
as good (as); equivalent in effect (to)
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