IPA: //ˈpɛpiɪst//
KK: /ˈpɛpiɪst/
Describing someone or something that is full of energy, enthusiasm, or liveliness, often in a cheerful way.
She was the peppiest person at the party, always making everyone smile.
Comparative: peppier
Superlative: peppiest
Peppiest → It is formed from "pep" (from the Latin "piper", meaning pepper) and the suffix "-iest" (meaning most). The word "peppiest" describes something that has the most energy or liveliness, akin to the spiciness of pepper.
Think of 'pep' as a burst of energy, and remember that 'peppiest' means the most energetic or lively.
No commonly confused words.