untired

Parpon climbed up on a pile of untired wheels, and with an elfish grin began singing.

The Duchess had much work for her to do and was glad to see that the girl looked well and untired.

He was now at the zenith of his physical strength, in his thirty-second year, untired and still eager.

The whole scene kept our admiration long tasked, but untired.

My enemy has shown himself inaccessible to entreaties and untired in persecution.