Nearly all the guests had arrived before the party started.
virtually all
Frequency:
50
%
Virtually all the tickets for the concert were sold out.
practically all
Frequency:
45
%
Practically all the stores were closed due to the holiday.
Idiomatic Expressions for mostly all
Phrase: mostly all talk and no action
Meaning: someone who talks a lot but does not follow through with their words
Usage: Don't listen to him, he's mostly all talk and no action.