without mercy, pity, or tolerance: I was mercilessly bullied in school throughout my childhood.Any speaker who goes on longer than 15 minutes will be interrupted mercilessly by the moderator.
without reprieve; unbearably: An unusually humid July morning had morphed into a mercilessly hot afternoon.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use mercilessly in a sentence
Arab standup comics, and even an Iraqi TV show, regularly mock ISIS mercilessly.
And by mercilessly diving headfirst into these exploits, “Discord” discovers a universal truth: no human is human without flaws.The Gospel According to Thomas Jefferson (And Tolstoy and Dickens) | Samuel Fragoso | October 26, 2014 | THE DAILY BEAST
Or the person may have been sustained, but mercilessly mocked and shunned in life.
Yes, high limits tempt politicians to squeeze donors mercilessly for money.The Answer to the McCutcheon Decision Is More Big Money in Politics | Jonathan Rauch | April 3, 2014 | THE DAILY BEAST
In a city this mercilessly romantic, Le Bar 228 still eclipses all other hotel bars.Where to Fall in Love—or Just Get Drunk—on Valentine’s Day | Condé Nast Traveler | February 12, 2014 | THE DAILY BEAST
The conflict in Tom's puzzled heart sharpened that evening into dreadful edges that cut him mercilessly whichever way he turned.The Wave | Algernon Blackwood
And every day that passed this difference in her towards himself and Tony grew more mercilessly marked.The Wave | Algernon Blackwood
They mercilessly burnt barns and the stored crops, and swept the country of men and cattle.King Robert the Bruce | A. F. Murison
The fire in the stove had burned lower, and its downcast glow revealed less mercilessly the dirty condition of the floor.Dope | Sax Rohmer
But mercilessly the light beam spread, until we were again within the circle of illumination.Valley of the Croen | Lee Tarbell