meddlesome
Definitions
Fond of interfering in other people's affairs.
Intrusive or inclined to meddle.
Examples
The meddlesome neighbor constantly peered over the fence to see what we were doing in our backyard.
I wish my meddlesome coworker would stop offering unsolicited advice on how to manage my personal projects.
Synonyms
intrusive nosy interfering prying obtrusive officious inquisitive
Antonyms
unobtrusive reserved aloof detached discreet unconcerned withdrawn