Synonyms for Worry:

n.

hang over, wound, depress, uneasiness, distress, dismay, devastate, stab. pressure, tension, stress, alarm, strain, upset. ail, agonize, cark, upset yourself, hardly dare (to) breathe, panic, have a lot on your mind. blanket, beset, cancer, bugaboo, torment, harass, bugbear, pain, bedevil, harry, pester, beleaguer, canker, demons, bait, feelings, bogey, bogie, plague, tease. mope, stew, fret. anxiety, trouble (noun)
distress, pain, concern, plague, uneasiness, care, headache, vexation, torment.
feeling (noun)
trouble.
worry (noun)
concern, headache, occupy, interest, brood, care, trouble, dwell, vex, mind, vexation.

v.

be or make anxious, troubled (verb)
beleaguer, pester, trouble, harry, tease, bedevil, beset, depress, vex, upset, brood, ail, harass, agonize, stew, fret.
emotion (verb)
care.

Other synonyms:

cark, distress, devastate, ail, depress, hang over. fret, mope, dismay, pester, tension, beleaguer, harry, uneasiness, tease. pressure, stew, pain. stress, strain, harass, bedevil. beset, upset. anguish
agonize.
trouble
trouble.
Other relevant words:
strain, fret, agonize, torment, plague, stress, cark, bait, harass, harry, stew, upset, depress, beset, bedevil, pester, beleaguer, ail, bugaboo, dismay, mope, tease, alarm, panic, uneasiness, tension, pressure, distress, pain.

Usage examples for worry

  1. Nothing at all to worry about. – Out Like a Light by Gordon Randall Garrett
  2. So I don't need to worry any more about that affair. – San-Cravate; or, The Messengers; Little Streams by Charles Paul de Kock
  3. Why worry about that? – The Clock Strikes Thirteen by Mildred A. Wirt