transitive verb

1. to break up the quiet or serenity of; agitate (what is quiet or still)
2. to upset mentally or emotionally; make uneasy or anxious
3. to break up the settled order or orderly working of to disturb the books on a shelf
4. to break in on; interrupt
5. to inconvenience don't disturb yourself

Etymology: ME distourben < OFr distourber < L disturbare, to drive asunder < dis-, intens. + turbare, to disorder < turba, a crowd, mob: see turbid