This is the 15267th most frequent German word.
unerbittlichen
Relentless or unyielding.
Here, 'unerbittlichen' is used to describe the adjective 'Hitze' (heat), signifying its relentless and severe nature.
Der unerbittlichen Hitze des Sommers musste man mit genügend Wasser trotzen.
One had to withstand the relentless heat of the summer with enough water.
'Unerbittlichen' qualifies 'Wille' (will), highlighting its steadfast and unmerciful attributes.
Sein unerbittlichen Wille führte letztendlich zum Erfolg.
His relentless determination ultimately led to success.
In this sentence, 'unerbittlichen' characterizes 'Ratschläge' (advice), emphasizing its strict and unyielding nature.