hound

v. hunt down, pursue; bother, pester, nag, annoy

n. hunting dog; devotee, enthusiast, fan; scoundrel, villain

A hound is a type of dog that assists hunters by tracking or chasing the animal being hunted. Its abilities can be contrasted with gun dogs, which assist hunters by identifying the location of prey or retrievers which recover shot quarry.
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Noun
1. any of several breeds of dog used for hunting typically having large drooping ears
(synonym) hound dog
(hypernym) hunting dog
(hyponym) Afghan hound, Afghan
(member-holonym) pack
(derivation) hunt, trace
2. someone who is morally reprehensible; "you dirty dog"
(synonym) cad, bounder, blackguard, dog, heel
(hypernym) villain, scoundrel
(hyponym) perisher
Verb
1. pursue or chase relentlessly; "The hunters traced the deer into the woods"; "the detectives hounded the suspect until they found the him"
(synonym) hunt, trace
(hypernym) chase, chase after, trail, tail, tag, give chase, dog, go after, track
(hyponym) ferret
(derivation) hound dog

(v. t.)
To set on the chase; to incite to pursuit; as, to hounda dog at a hare; to hound on pursuers.
  

(v. t.)
To hunt or chase with hounds, or as with hounds.
  

(n.)
Projections at the masthead, serving as a support for the trestletrees and top to rest on.
  

(n.)
A variety of the domestic dog, usually having large, drooping ears, esp. one which hunts game by scent, as the foxhound, bloodhound, deerhound, but also used for various breeds of fleet hunting dogs, as the greyhound, boarhound, etc.
  

(n.)
A side bar used to strengthen portions of the running gear of a vehicle.
  

(n.)
A houndfish.
  

(n.)
A despicable person.
  

keep asking or demanding, harass, browbeat If you’ll stop hounding me, I’ll go to the doctor!