noun

1. A strong feeling of anxiety.

   “I'm afflicted by worry throughout the night.”

2. An instance or cause of such a feeling.

   “My main worry is that I'll miss the train.”

verb

1. To be troubled; to give way to mental anxiety or doubt.

   “Stop worrying about your test, it’ll be fine.”

2. Disturb the peace of mind of; afflict with mental agitation or distress.

   “Your tone of voice worries me.”

3. To harass; to irritate or distress.

   “The President was worried into military action by persistent advisors.”

Synonyms: fret