1
dog
noun
- a type of animal that is often kept as a pet or trained to work for people by guarding buildings, hunting, etc. —often used before another noun
- a male dog
- a person who is regarded as lucky, unlucky, etc.
2
dog
verb
- to follow (someone) very closely
- to ask (someone) about something or for something constantly or frequently
- to cause problems for (someone) for a long time—often used as (be) dogged