obstacle

One big obstacle for Iranian engineers was coming up with an engine that could sustain high speeds and temperatures for hours at a time.

From The Wall Street Journal ● Aug. 26, 2026

That requirement made the technique difficult to use widely and created an especially large obstacle for efforts to image "dynamical" wavefunctions as three-dimensional videos at atomic scales.

From Science Daily ● Aug. 24, 2026

Last week, California’s Public Utilities Commission unanimously approved the merger, lifting the final obstacle in Charter’s path to close the deal.

From Los Angeles Times ● Aug. 20, 2026

Yuriy, a senior instructor who led one of the squads across the gruelling obstacle course, has at times pondered the necessity of such trials given the nature of drone warfare.

From Barron's ● Aug. 20, 2026

But then their offensive sputtered to a halt as infantrymen and horse-drawn artillery became ensnared in the obstacle course of churned-up fields, abandoned trenches, and shattered roads left from the Battle of the Somme.

From "The War to End All Wars: World War I" by Russell Freedman

The Triple Concerto, for instance, is full of obstacles.

From Los Angeles Times ● Aug. 27, 2026

"It's a shame that the government is putting obstacles in your way," added another.

From BBC ● Aug. 25, 2026

There are thousands of different obstacles and problems that we have to solve every day.

From The Wall Street Journal ● Aug. 24, 2026

Whether we planned for them or not, the road is filled with obstacles, detours and dead ends.

From Salon ● Aug. 24, 2026

“Well, you don’t have your destination or the obstacles marked most of the time, which is much the same thing.”

From "Code Name Verity" by Elizabeth Wein