Frequency: The word is one of the 1500 most common words in English.
1.
You use ~ to say that a statement is not completely true but is mostly true.
The fund is ~ financed through government borrowing...
I ~ work with people who already are motivated...
Their weapons have been ~ stones.
= mainly
ADV: ADV with v, ADV with cl/group
2.
Largely is used to introduce the main reason for a particular event or situation.
Retail sales dipped 6/10ths of a percent last month, ~ because Americans were buying fewer cars...
= mainly
ADV: ADV prep