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stiff vs efficacious

efficacious vs stiff

stiff is a noun but efficacious is not a noun.

stiff and efficacious both are adjectives.

stiff is an adverb but efficacious is not an adverb.

Word NounAdjectiveVerbAdverb
stiff Yes Yes No Yes
efficacious No Yes No No
stiff (noun) efficacious (noun)
the dead body of a human being
an ordinary man
stiff (adjective) efficacious (adjective)
having a strong physiological or chemical effect marked by qualities giving the power to produce an intended effect
rigidly formal producing or capable of producing an intended result or having a striking effect
not moving or operating freely
very drunk
marked by firm determination or resolution; not shakable
strong, vigorous
incapable of or resistant to bending
stiff (adverb) efficacious (adverb)
in a stiff manner
to a great degree
Difference between stiff and efficacious

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