IPA: /ˈdiːviəsli/
KK: /ˈdivɪəsli/
In a way that is not straightforward or honest, often involving trickery or deceit.
He deviously plotted to take over the company without anyone noticing.
Deviously → It is formed from "devious" (from Latin *devius*, meaning off the path or wandering) and the suffix "-ly" (meaning in a manner of). The word "deviously" means in a manner that is not straightforward or is morally wrong, often implying cunning or deceit.
Think of someone acting 'off the path' ('devious') and doing so 'in a manner' ('-ly') that is not straightforward. This helps you remember that 'deviously' refers to acting in a cunning or deceitful way.