IPA: /ˈstɪfli/
KK: /ˈstɪfli/
In a way that is rigid or not flexible; often used to describe movement or behavior that lacks ease or comfort.
She walked stiffly after sitting for too long.
Stiffly → It is formed from "stiff" (from Old English "stif", meaning rigid or firm) and "-ly" (a suffix meaning in a manner of). The word "stiffly" means in a rigid or firm manner.
Think of being rigid or firm ('stiff') and how that describes the way something is done ('-ly'). This helps you remember that 'stiffly' means to do something in a rigid manner.