abandoned
abuse
abused
adult
alone
animal
asleep
brown
canine
castoff
city
depressed
dirty
dog
doggy
domestic
forsaken
friend
homeless
homelessness
hunger
hungry
loneliness
lonely
lost
mammal
mongrel
neglected
outdoor
pest
pet
poverty
problem
rejected
road
sad
sadness
sleeping
solitary
solitude
stray
stray dog
street
tired
tramp
urban
white