worst of all

idiom

—used to refer to the least pleasant or appealing part of something that has many bad parts

I forgot my backpack, was late for class, and worst of all, I discovered I'd studied the wrong material for the test.

Examples of worst of all in a Sentence

Recent Examples on the Web

Although Tesla doesn’t meet the criteria for an official placement the J.D. Power U.S. Initial Quality Study, its scores are some of the lowest around (along with Rivian and worst of all, Polestar). —James Morris, Forbes, 2 Nov. 2024

And worst of all, Marty continued dating Ro even after Marty had graduated. —Carly Tagen-Dye, People.com, 1 Nov. 2024

Even when testers were analyzing snowboards that didn’t blow them away, risking numb fingers, frozen toes, and, worst of all, high-speed scorpions under the chairlift for the sake of data collection, good times were had. —Drew Zieff, Outside Online, 27 Sep. 2024

Hiring additional team members to fulfill every operational need can become extremely costly, but staying understaffed can lead to employee burnout, resentment, a lack of clarity in roles and, worst of all, focus displaced from the organization’s mission. —Randy Wong, Forbes, 15 Oct. 2024