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adj. pep·i·er, pep·i·est Informal
Full of or characterized by energy and high spirits; lively.
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|Noun||1.||peppiness - liveliness and energy; "this tonic is guaranteed to give you more pep"|
1. Informal. A lively, emphatic, eager quality or manner:
animation, bounce, brio, dash, élan, esprit, life, liveliness, pertness, sparkle, spirit, verve, vigor, vim, vivaciousness, vivacity, zip.