Deftly is an adverb that means quick and skillful, particularly in regards to movement. Synonyms of deftly include dexterous, adroit, handy and nimble. The word can be used as an adjective, deft, or as a noun, deftness.
The word is most often used to describe ease in performance or physical or mental agility. Deftly suggests that an action is performed neatly and with lightness of touch.
The word deftly first appeared in Old English with the word "gedæfte," which meant mild and gentle. It was then transformed in the Middle English language between 1175 and 1225. It is a variant of the word "defte," which means foolish.