Top Definition
Adj. Tireless, will never "run out of steam."

N. A badass name for a ship of war.
1) His election campaign was indifatigable!

2) The HMS Indifatigable engaged and sunk the French frigate.
by Jarvy December 09, 2003

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×