in efficacious

[ in-ef-i-key-shuh s ]

SEE DEFINITION OF in efficacious

as inineffective/ineffectual
as ininefficient
as innull
as inunable
as invain
as inimpractical
as inineffective
as ininefficacious
as inunnegotiable
as inunusable
as inunworkable
as inunworkmanlike
as inimpractical/impracticable

Antonyms for in efficacious

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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