IPA: /ˈrʌfli/
KK: /ˈrʌfli/
In a way that is not exact or precise, but is close to the correct amount or description.
The project will take roughly three weeks to complete.
Roughly → It is formed from "rough" (from Old English *ruh*, meaning uneven or coarse) and "-ly" (meaning in a manner of). The word "roughly" means in a manner that is uneven or coarse.
Think of something that is 'uneven' or 'coarse' ('rough') and how it is done 'in a manner' ('-ly'). This helps you remember that 'roughly' describes doing something in a coarse or uneven way.