featureless

High school physics teachers describe them as featureless balls with one unit each of positive electric charge — the perfect foils for the negatively charged electrons that buzz around them.

At a scale of 50 micrometers, about half the width of a human hair, the seemingly featureless body of each ossicle gives way to a meshlike pattern that mirrors how carbon atoms are arranged in a diamond.

Human eyes could have trouble determining their location on a desolate stretch of road in a featureless desert, or a long span of bridge that looks just like the part before it, and the same is true of a robot car.

In outback Queensland, dinosaur sites are featureless plains.

The distance it can see shrinks, and thus its world grows more and more featureless.

Hands stronger or weaker than this by the value of a king or less may be described as featureless.

His young heroes are sometimes reckoned rather feeble and featureless.

Just one or two minute black featureless figures of men toiled amidst these monster shapes.

Two glowing arms raised up, and then an almost featureless face.

The screen turned featureless gray as the pickups stared blindly into some dimensionless noplace.