1. 
   Tireless
   HMS Tireless is a British Trafalgar Class fleet submarine of 5208 tons displacement dived launched in 1984. HMS Tireless is powered by a pressurised water-cooled PWR 1 nuclear reactor with two Paxman auxiliary diesel engines, providing a top speed of 32 knots dived. HMS Tireless carries a crew of 97...
   Found op http://www.probertencyclopaedia.com/browse/RT.HTM
   
   
2. 
   Tireless
   Tire'less adjective Untiring.
   Found op http://www.encyclo.co.uk/webster/T/61
   
   
3. 
   Tireless
   • (a.) Untiring.Tireless synonymsIndefatigable, Industrious,
   Found op http://thinkexist.com/dictionary/meaning/tireless/
   
   
4. 
   tireless
   1) Constant 2) Determined 3) Dogged 4) Energetic 5) Indefatigable 6) Like a junkyard car 7) Patient 8) Persistent 9) Steady 10) Unflagging 11) Unwearying
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/tireless/1
   
   

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