untirable

untirable

(ʌnˈtaɪrəbəl)
adj
not able to be fatigued or tired out
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
The meeting in its resolution lauded the untirable efforts of President Asif Ali Zardari and positive thinking, political vision, strategy, far-sightedness and policies of permanent unity and cohesion of people of Pakistan.
Qaim chairs meeting of elected representatives
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