tantamount Meaning, Definition & Usage

  1. adjective satellite being essentially equal to something
    equivalent.
    • it was as good as gold
    • a wish that was equivalent to a command
    • his statement was tantamount to an admission of guilt

WordNet

Tan"ta*mount` adjective
Etymology
F. tant so much (L. tantus) + E. amount.
Definitions
  1. Equivalent in value, signification, or effect.
    A usage nearly tantamount to constitutional right. Hallam.
    The certainty that delay, under these circumstances, was tantamount to ruin. De Quincey.
Tan"ta*mount` intransitive verb
Definitions
  1. To be tantamount or equivalent; to amount. Obs. Jer. Taylor.

Webster 1913