Lively, vivid, or full of life; used adverbially or as a noun to describe energetic, spirited behavior or appearance.
子どもたちが生き生きと遊んでいる。
The children are playing energetically.
彼女は仕事中いつも生き生きして見える。
She always looks lively while working.
作者は風景を生き生きと描いている。
The author depicts the scenery vividly.