To proceed doggedly in the face of difficulty or hardship; struggle: worried along at the problem.
To cause to feel anxious, distressed, or troubled. See Synonyms at trouble.
To feel uneasy or concerned about something; be troubled. See Synonyms at brood.
To pull or tear at something with or as if with the teeth.
To bother or annoy, as with petty complaints.
To seize with the teeth and shake or tug at repeatedly: a dog worrying a bone.
To attack roughly and repeatedly; harass.
To touch, move, or handle idly; toy with: worrying the loose tooth with his tongue.
The act of worrying or the condition of being worried; persistent mental uneasiness. See Synonyms at anxiety.
A source of nagging concern or uneasiness.
not to worry Informal There is nothing to worry about; there is no need to be concerned: "But not to worry: it all...falls into place in the book's second half, where the language is plainer” ( Hallowell Bowser).