IPA: /ˈstreɪtli/
KK: /ˈstreɪtli/
In a direct or straightforward way without any curves or bends.
She walked straightly down the path without stopping.
Straightly → It is formed from "straight" (from Old English *streht*, meaning direct or not bent) and "-ly" (meaning in a manner of). The word "straightly" means in a direct or straightforward manner.
Think of being 'direct' ('straight') and doing something 'in a manner' ('-ly'). This helps you remember that 'straightly' means to do something in a direct way.