(n): the point in time at which something ends
(n): a place where something ends or is complete
(n): either extremity of something that has length
(n): something that results
(n): event whose occurrence ends something
(n): the end of a word (a suffix or inflectional ending or final morpheme)
(n): minimal meaningful language unit; it cannot be divided into smaller meaningful units
(n): the act of ending something
(n): the act of changing something into something different in essential characteristics
The ugliest use I can think of is when this word is used in place of abortion.
An ugly word used to hide the ugly meaning of better words when the ugliness they show should be exposed.