public

1 public /ˈpʌblɪk/ adjective
1 public
/ˈpʌblɪk/
adjective
Britannica Dictionary definition of PUBLIC
1 
always used before a noun : of, relating to, or affecting all or most of the people of a country, state, etc.
2 
always used before a noun
a  : of, relating to, paid for by, or working for a government
b  : supported by money from the government and from private contributors rather than by commercials
3 
a  : able to be used by anyone : open or available to people in general rather than to just a few people
b  : able to be seen or heard by many people
4 
: known to many people
5 
: offering shares or stock that can be traded on the open market — opposite private; see also initial public offering

go public

1 
: to make something known to many people : to make something generally known by announcing it, publishing it, etc.
2 
: to offer shares or stock that can be freely traded on the open market

in the public eye

— see 1eye

public knowledge

— see knowledge
2 public /ˈpʌblɪk/ noun
2 public
/ˈpʌblɪk/
noun
Britannica Dictionary definition of PUBLIC
[singular]
1 
the public : the people of a country, state, etc.
2 
: a group of people who have a shared interest, quality, etc.

in public

: in a place where you can be seen by many people : in a public place