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inequality
inequitable
inequity
inequivalve
ineradicable
inerrant
inert
inert gas
inertia
inertia-reel seat belt
inertial confinement fusion
inertial force
inertial fusion
inertial guidance
inertial mass
inertial reference frame
inescapable
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inefficacious

in·ef·fi·ca·cious [ in èffi káyshəss ]


adjective 
Definition:
 
not helpful: not having a positive or useful effect ( formal )


in·ef·fi·ca·cious·ly adverb
in·ef·fi·ca·cious·ness noun
in·ef·fi·cac·i·ty [ in èffi kássətee ] noun
in·ef·fi·ca·cy [ in éffikəssee ] noun
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