relentlessness
Noun
Meaning
mercilessness characterized by an unwillingness to relent or let up
Source: WordNetSynonyms
Antonyms
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Examples
the relentlessness or their pursuit
Arafat’s war of terror (the so called “al-Aqsa Intifada”) was unparalleled in the scale and relentlessness of its terrorist attacks on Israeli civilians.
It’s a huge factor in their relentlessness and whether a top attacking performance or a game where they grind out the result, somehow Klopp’s team keep finding a way.
Why, however, this relentlessness to muddy the waters and to seek some kind of origin for mankind through anthropological-archaeological and other elucubrations?