incremation, n. [cremation].
incumbent, a. [obligatory], imposed, [binding].
incumbrance, n. [hindrance], [impediment], incubus; mortgage, [claim], [lien].
incurable, a. insanable, irremediable, immedicable; irremedicable, irreparable.
indebtedness, n. [obligation]; debts, [liabilities].
indecency, n. [immodesty], [indelicacy], shamelessness, [obscenity], [ribaldry], [lewdness].
indecent, a. [immodest], [obscene], [indelicate], [shameless], [ribald], [lewd], [unchaste].
indecision, n. [vacillation], indetermination, [irresolution], [wavering], [inconstancy].
indecisive, a. inconclusive, [vacillating], hesitating, [irresolute], [wavering].
indefatigable, a. [untiring], [persistent], [unremitting], sedulous, unflagging.