Read the dictionary definition of roughly. All definitions for this word.
1. (of quantities) imprecise but fairly close to correct
1. lasted approximately an hour
2. in just about a minute
3. he's about 30 years old
4. I've had about all I can stand
5. we meet about once a month
6. some forty people came
7. weighs around a hundred pounds
8. roughly $3,000
9. holds 3 gallons, more or less
10. 20 or so people were at the party
2. with rough motion as over a rough surface
1. ride rough
3. with roughness or violence (`rough' is an informal variant for `roughly')
1. he was pushed roughly aside
2. they treated him rough
