defy belief

idiom

: to be unbelievable : to be not deserving to be believed

His story about UFOs defies belief.

Examples of defy belief in a Sentence

Recent Examples on the Web

Water parks have come a long way over the years, with meandering lazy rivers and basic water slides now joined by record-breaking water coasters, thrilling rivers with simulated, rushing rapids, and slides that defy belief, plunging down multiple stories. —Carly Caramanna, Travel + Leisure, 12 May 2023

This is a true story, all of it, and there will be parts that defy belief, but what was happening at the adidas ABCD Camp in 2001 wasn’t unbelievable. —The Indianapolis Star, 8 Feb. 2023

The white sands and stunning blue waters of the Cape Cod National Seashore defy belief—beaches like this one are hard to come by so far from the Gulf. —Outside Online, 2 Mar. 2022

The disaster-in-progress that could’ve been averted now threatens to put the game on life support for reasons that defy belief. —Paul Sullivan, chicagotribune.com, 2 Mar. 2022