worrying (n.)
- annoying
 - chafing
 - harassment
 - irking
 - teasing
 - torment
 - worriment
 - worry
 
worrying (adj.)
- aggravating
 - annoying
 - bothersome
 - disquieting
 - distressful
 - distressing
 - disturbing
 - exasperating
 - galling
 - importunate
 - irksome
 - irritating
 - pesky
 - pestering
 - pestiferous
 - pestilent
 - pestilential
 - plaguey
 - provoking
 - teasing
 - tiresome
 - troublesome
 - troubling
 - upsetting
 - vexatious
 - vexing
 - wearisome
 - worrisome