Crossword Puzzle Never-ending feeling?

Clue: Never-ending feeling?

Reliever's feeling after giving up a game-ending homerun? (WALKOFFSHAME with 12 letters)
Plant's ending (ATION with 5 letters)
Absurd ending? (e.g. ISM with 3 letters)
Verb ending of yore (ETH with 3 letters)
Feeling that it's really over (CLOSURE with 7 letters)
Hidden, as feelings (INNER with 5 letters)
Ending for myth or method (ICAL with 4 letters)
Ending for express (IVE with 3 letters)
Ending for song or gab (FEST with 4 letters)
Campus URL ending (EDU with 3 letters)