IPA: /dɪˈsiːvɪŋli/
KK: /dɪˈsivɪŋli/
In a way that misleads or tricks someone into believing something that is not true.
The advertisement was deceivingly simple, hiding the product's flaws.
Deceivingly → It is formed from "deceive" (from Old French *decevoir*, meaning to lead astray or mislead) and the suffix "-ingly" (meaning in a manner of). The word "deceivingly" means in a manner that misleads or leads someone astray.
Think of someone leading you astray ('deceive') and doing it in a certain way ('-ingly'). This helps you remember that 'deceivingly' means doing something in a misleading manner.