inconsequential
not significant/important
incontrovertible
not able to be denied
incorrigible
incapable of being improved
incumbent
a necessary responsiblity
indeterminate
not defined
indifferent
having no concerns
indistinct
not clearly defined
indolent
lazy
induce
to make something occur
inevitable
certain to happen
ingenious
clearly inventive/original
ingrate
someone ungrateful
aphorism
A concise statement expressing a general truth.
“Actions speak louder than words.”