1 she went for a walk with her dog hound, canine; mongrel, cur; pup, puppy; informal doggy/doggie, pooch.
2 informal : you black-hearted dog! See bastard noun sense 2 .
3 informal : you're a lucky dog!
1 they dogged him the length of the country pursue, follow, track, trail, shadow, hound; informal tail.
2 the scheme was dogged by bad weather plague, beset, bedevil, beleaguer, blight, trouble.