harried
source sentence: the workers stand loosely grouped and at ease, but my uncle looks as harried and tense as a police officer trying to unsnarl a New York City traffic jam.
context clues: example clues, (syn.) molest, trouble, (ant.) tranquilize, (ex.) A frustrated person police officer is an example of a harried person.
definition: to harass, annoy, or prove a nuisance to by or as if by repeated attacks; worry
original sentence: Because Joshua was having such a bad day, no one was more harried after the news about possible lay offs at the office than he was.
http://dictionary.reference.com/browse/harried