Following relentlessly

WordNet Word definitions in WordNet
n. a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds; "the dog barked all night" [syn: domestic dog , Canis familiaris ] a dull unattractive unpleasant ...

Wikipedia Word definitions in Wikipedia
Dogging means following someone closely. Dogging can also refer to:

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Dog \Dog\, v. t. [imp. & p. p. Dogged ; p. pr. & vb. n. Dogging .] To hunt or track like a hound; to follow insidiously or indefatigably; to chase with a dog or dogs; to worry, as if by dogs; to hound with importunity. I have been pursued, dogged, and waylaid. ...

Wiktionary Word definitions in Wiktionary
n. Gerund of dog#Verb. vb. (present participle of dog English)