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efficacious
used in The Scarlet Letter

only 1 use
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Definition effective in producing an intended effect
  • There were men, too, of a sturdier texture of mind than his, and endowed with a far greater share of shrewd, hard iron, or granite understanding; which, duly mingled with a fair proportion of doctrinal ingredient, constitutes a highly respectable, efficacious, and unamiable variety of the clerical species.
    Chapter 11 -- The Interior of a Heart (34% in)

There are no more uses of "efficacious" in The Scarlet Letter.

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