IPA: /ˈkweɪkɪli/
KK: /ˈkwākɪli/
In a way that is shaky or tremulous, often used to describe a sound or movement that is unsteady.
The old floorboards creaked quakily as we walked across them.
Quakily is derived from "quake" (from Old English "cwacian", meaning to shake or tremble) and the suffix "-ly" (meaning in a manner of). The word "quakily" describes an action done in a shaking or trembling manner.
Imagine something that shakes or trembles ('quake') and how it happens in a certain way ('-ly'). This helps you remember that 'quakily' means to do something in a shaking manner.