IPA: /ˌʌndərˈhændədli/
KK: /ʌndərˈhændədli/
In a secretive or dishonest way, often to achieve something unfairly.
He underhandedly took credit for her work during the meeting.
Underhandedly → It is formed from "under-" (meaning beneath or below) and "hand" (from Old English "hand", meaning the part of the body used for grasping or holding) combined with the adverbial suffix "-ly" (meaning in a manner of). The word describes actions done in a secretive or deceitful manner, as if they are done from beneath or out of sight.
Think of actions done 'beneath' ('under-') the 'hand' — suggesting something secretive or sneaky. This helps you remember that 'underhandedly' means doing something in a deceitful way.