Weak or feeble; faint and fragile (used for voices, bodies, light, etc., that seem lacking in strength).
彼女の声は病後で弱々しく、ほとんど聞き取れなかった。
Her voice was weak after the illness and barely audible.
子猫は弱々しく震えていたので、毛布に包んだ。
The kitten was trembling feebly, so I wrapped it in a blanket.
木の葉は弱々しい風に揺れていた。
The leaves were swaying in the faint wind.