IPA: /ˈspraɪtli/
KK: /ˈsprɪtli/
The most lively and full of energy; very cheerful and animated.
The sprightliest dancer in the troupe captivated the audience with her energy and grace.
Comparative: sprightlier
Superlative: sprightliest
Sprightliest → It is formed from "sprightly" (from Middle English *sprightli*, meaning lively or full of spirit) and the suffix "-est" (meaning the most). The word "sprightliest" means the most lively or full of spirit.
Think of someone who is the 'most lively' or 'full of spirit' — that's what sprightliest means.