Meaning of うきあし in Japanese

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Definition of うきあし

うきあし(ukiashi) 【浮き足 ·浮足】

(n) standing on the balls of the feet; unsteady step; unstable stance
having one's feet off the ground; reeling (from); swept away (by); in an ecstasy (of)

うきあしだつ(ukiashidatsu) 【浮き足立つ ·浮足立つ】

(v5t) to be prepared to flee; to become restless; to become agitated
君は浮き足立っているね。
You are wavering.