/ ˈfɔːmə(r); NAmE ˈfɔːrm-/ adjective [ only before noun ]
1.
that used to exist in earlier times :
in former times
the countries of the former Soviet Union
This beautiful old building has been restored to its former glory .
2.
that used to have a particular position or status in the past :
the former world champion
my former boss / colleague / wife
3.
the former ... used to refer to the first of two things or people mentioned :
The former option would be much more sensible.
—compare latter
4.
the former pronoun the first of two things or people mentioned :
He had to choose between giving up his job and giving up his principles. He chose the former.
—compare latter
•
IDIOMS
- be a shadow / ghost of your former self
••
WORD ORIGIN
Middle English : from Old English forma first + -er .