The announcement was made for one and all to hear.
one and only
Frequency:
70
%
She was his one and only true love.
one and the same
Frequency:
60
%
The twins looked so alike, they were often mistaken for one and the same person.
one and done
Frequency:
45
%
Once the decision was made, it was one and done.
Idiomatic Expressions for one and all
Phrase: one and all
Meaning: every single person or thing, without exception
Usage: The invitation is open to one and all, so feel free to bring your friends.