A doormat is a mat by a door which people can wipe their shoes on when they enter a house or building.
2. countable noun
If you say that someone is a doormat, you are criticizing them because they let other people treat them badly, and do not complain or defend themselves when they are being treated unfairly.
[informal, disapproval]
If you always give in to others you will end up feeling like a doormat.
doormat in British English
(ˈdɔːˌmæt)
noun
1.
a mat, placed at the entrance to a building, for wiping dirt from shoes
2. informal
a person who offers little resistance to ill-treatment by others
doormat in American English
(ˈdɔrˌmæt)
noun
1.
a mat for people to wipe their shoes on before entering a house, room, etc.
2.
a person easily mistreated, imposed on, exploited, etc.