mercilessly
adv. B2 Upper Intermediate US //ˈmɝsəɫəsɫi// UK //mˈɜːsɪləsli// mer·ci·less·ly
adv. to do something in a way that is very cruel or without any mercy. You use this when someone is being very harsh or unfair.
adv. in a manner that lacks compassion or pity; without any mercy or leniency.
The sun mercilessly beat down on the desert.
The manager mercilessly criticized the team's performance during the meeting, leaving no room for excuses.
The winter wind mercilessly stripped the leaves from the trees, leaving the landscape bare and vulnerable to the approaching storm.