Mammoth Memory

Indefatigable – Untiring, unyielding to fatigue

(Pronounced in-di-fat-i-guh-buhl)

To remember the definition of the word indefatigable, use the following mnemonic:

The walkers indicated that fatigue was not possible, (indefatigable) for they were determined, untiring and wouldn't give up.

The walkers indicated that fatigue was not possible, (indefatigable) for they were determined, untiring and wouldn't give up

Examples of indefatigable in a sentence

The workers were shocked to find out they'd been replaced by indefatigable machines. 

He was indefatigable, even after running a marathon he didn't seem tired at all. 

She was warned not to enter the race as even the most indefatigable athletes struggle to finish. 

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