For Flask to have presumed to help himself, this must have seemed to him tantamount to larceny in the first degree.
For the most part, the English and American whale draughtsmen seem entirely content with presenting the mechanical outline of things, such as the vacant profile of the whale; which, so far as picturesqueness of effect is concerned, is about tantamount to sketching the profile of a pyramid.
There are no more uses of "tantamount" in the book.
Show samples from other sources
Her statement was tantamount to an admission of guilt.
Not telling her is tantamount to aiding and abetting the enemy.