hangtough (adjective) relentless: cruel, merciless
Sinonime: extreme, highest, incomparable, max, maxi, maximum, most, paramount, preeminent, significant, superlative, supreme, surpassing, the most, topmost, towering, transcendent, unequalable, unmatchable, utmost, uttermost
Antonime: kind,
merciful,
sympathetic,
understanding