English
Etymology
From un- + tire.
Verb
untire (third-person singular simple present untires, present participle untiring, simple past and past participle untired)
- (transitive) To free from tiredness.
1845, Richard Ford, A Hand-book for Travellers in Spain, page 72:[…] a shed, with ranges of jars, glasses, oranges, lemons, &c., and a bench or two, for the drinkers to descansarse un ratito, to untire themselves.