noun
plural dogs
[count] a type of animal that is often kept as a pet or trained to work for people by guarding buildings, hunting, etc.
a male dog
[count] informal
a person who is regarded as lucky, unlucky, etc.
a person who is lazy or who is not liked
c offensive :an unattractive girl or woman
[count] US informal :something that is poor in quality
[count] US informal :hot dog
dogs [plural] US informal + old-fashioned :feet
a dog's breakfast
Brit informal :something that is messy or poorly done
a dog's life
a difficult, boring, and unhappy life
(as) sick as a dog
informal :very sick
dog and pony show
US usually disapproving :a very fancy and elaborate event that is done to sell something, to impress people, etc.
every dog has his/its day
informal - used to say that every person has a successful moment in life;
go to the dogs
informal :to become ruined :to change to a much worse condition
hair of the dog (that bit you)
in a dog's age
let sleeping dogs lie
to ignore a problem because trying to deal with it could cause an even more difficult situation
put on the dog
US informal + old-fashioned :to pretend that you are very stylish or rich
rain cats and dogs
the tail wagging the dog
you can't teach an old dog new tricks
used to say that a person who is old or is used to doing things in a certain way cannot learn or does not want to learn a new way
verb
dogs; dogged; dogging
[+ obj] 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
US