Ditto UK anon. Go for it, USA patriots. The world is depending on you.
I find it sad that a word such as indefatigable is now not readily understood. It's as though the average vobaulary has been reduced to a few hundred words instead of a few thousand. I wish I had the space to explain how promoting a loss of vocabulary and linguistic proficiency, through substandard education, is a deliberate ploy to remove power from the people.
Typo correction: vocabulary