katapusan adjective English. The final or last of a series of s.t.; the end of s.t.; the ultimate of s.t., most. Example sentence: Subanen. Tinalu' nug duma diin daw matengi dua' ngibu taun, iini katapusan nug lumbang kini. English. Some say that when this year two thousand arrives, it is the end of this world. Grammar. Indecl.