to be added as a matter of periodic gain or advantage, as interest on money.
a waterfall descending over a steep, rocky surface.
a person who seeks to overturn by violence all constituted forms and institutions of society and government, with no purpose of establishing any other system of order in the place of that destroyed.
degeneration, decline, or decrease, as from disuse:
1. moral deterioration
2. excessive self-indulgence
3. The act or process of falling into an inferior condition or state; deterioration; decay:
1660s, "pertaining to the 'Revelation of St. John' in the New Testament," from Gk. apokalyptikos, from apokalyptein (see apocalypse). Meaning "pertaining to the imminent end of the world" evolved by 1880s.