Awarding bankers bonuses is tantamount to paying them for not being certified cretins.
The U.S. Attorney, Leura Canary, argued this was tantamount to sale of a public office and brought charges.
This lunchtime rendezvous, after all, is tantamount to a date.
These days, women often view a decent job and an employed husband as if such good luck were tantamount to winning the lottery.
Being shamed by her church was tantamount to losing her community and her job.
His negation of theogony was tantamount to a negation of cosmogony.
It is tantamount to proclaiming that there cannot be too much aristocracy.
It was tantamount to a declaration of war, and was everywhere regarded as a casus belli, and Lemuel Dalton accepted it as such.
This is tantamount to proclaiming a form of vassalage—a thing which is not to be tolerated.
The very name Yahoodee, or Jew, is tantamount in the East to swindler.
1640s, from verbal phrase tant amount "be equivalent" (1620s), from Anglo-French tant amunter "amount to as much" (late 13c.), from Old French tant "as much" (from Latin tantus, from tam "so") + amonter "amount to, go up" (see amount).