indignación, f., indignation.

indiscreción, f., indiscretion.

indudablemente, indubitably, unquestionably.

inefable, ineffable, unspeakable.

inerte, inert, motionless, lifeless.

Inés, f., Agnes, Inez.

inesperado, -a, unexpected.

inexplicable, inexplicable.

inextinguible, inextinguishable, perpetual.

infecto, -a, infected, stagnant.