tireless

Etymology 1
(intransitive) tire + -less

Adjective

 * 1) Indefatigable, untiring and not yielding to fatigue

Translations

 * Armenian:
 * Azerbaijani:
 * Bulgarian:
 * Catalan:
 * Chinese:
 * Mandarin:, 不知疲倦
 * Dutch:
 * Esperanto: nelacigebla
 * Finnish:, uupumaton
 * French:
 * Galician: ,
 * German:
 * Greek:
 * Ancient: ἀκάματος
 * Italian:
 * Japanese: 疲れを知らない
 * Macedonian: неу́морен, безу́морен
 * Polish: ,
 * Portuguese:
 * Russian:, ,
 * Sanskrit:
 * Spanish: ,
 * Tocharian B: ekwalatte
 * Turkish: yorulmak bilmeyen
 * Ukrainian: невто́мний

Adjective

 * 1)  Without a tire (wheel covering); tyreless.