The loss or elision of a sound from the interior of a word, for example by changing cannot to can't, never to ne'er, or the pronunciation of the -cester ending in placenames as -ster (for example, Leicester pronounced Leister or Lester, and Worcester pronounced Wooster).
A loss of consciousness when someone faints, a swoon.
A missed beat or off-beat stress in music resulting in syncopation.
All clues having "SYNCOPE"
for an answer:
You can find a list of possible crossword clues for SYNCOPE below.
Crossword Answers