Quickest and Sharp-witted

Quickest adverb - Most quickly.

Sharp-witted and quickest are semantically related. In some cases you can use "Sharp-witted" instead an adjective "Quickest".

Sharp-witted adjective - Having or showing a practical cleverness or judgment.

Quickest and sharp-witted are semantically related. Sometimes you can replace term "Quickest" with "Sharp-witted", this terms are similar.