To choke; suffocate.To seize by the throat with the teeth; bite at or tear with the teeth, as dogs when fighting; kill or injure badly by repeated biting, tearing, shaking, etc.: as, a dog that worries sheep; a terrier worries rats.To tease; trouble; harass with importunity or with care and anxiety; plague; bother; vex; persecute.Synonyms Pester, Plague, etc. (see tease), disturb, disquiet.To choke; be suffocated, as by something stopping the windpipe.To fight, as dogs, by seizing and biting at each other; be engaged in biting, shaking, or mangling with the teeth.To be unduly anxious and careful; give way to anxiety; be over-solicitous or disquieted about things; borrow trouble; fret.n. The act of worrying or biting and mangling with the teeth; the act of killing by biting and shaking.n. Harassing anxiety, solicitude, or turmoil; perplexity arising from over-anxiety or petty annoyances and cares; trouble: as, it is not work but worry that kills; the worries of housekeeping.