He ran bizarre, waving his arms above his head and crowing like a rooster.

Everyone stopped and stared at his bizarre running behavior, wondering why he was like this.

The ground concaved after all of the rain, creating a hollow that opened up into a hidden cave.

The bottom of the boat was concave glass, allowing us to watch the fish swim by as we peered through the hollow in the floor.

The hills suddenly appeared on the horizon, convexing into huge bulges of green.

The lenses of his glasses are so thick, you can see the convex glass rounding out past the frames.

I knew her puzzle would be tough to decipher; a lover of mysteries, my sister wrote the location of my birthday present in secret code.

I was proud of my decipher work; even though her code was tough, I decoded my sister's secret message in just a few minutes.

We demeaned the large pile of cookies by eating over half of them, making the pile much smaller.

The mean old lady demeaned us for how many cookies we ate, attempting to shame us and make us feel degraded.

We saved and frugaled our money, buying only what we needed, so that we could buy a new car.

By working hard and being so frugal, we saved more money than we needed for the car and were able to buy a boat, too.

The advanced class was immersed in the study of the artist, covering every aspect of her life completely.

The house was immersed in a new paint job; the chic grey hue covered it completely.

I knew I would need to revamp my essay; I missed several key points and failed to include enough evidence, so I must revise it all.

This revamp essay is my best work; I spent 2 weeks researching and revising my wording, taking it to the writing lab 3 times.

The prospect of discovering new planets titillated the scientists, exciting their curiosity and promising further exploration.

The bullies titillated the unpopular student, teasing him without mercy; coming up with new insults excited them everyday.

The ants ran ubiquitous across the picnic blanket; it seemed like everywhere we looked was covered in ants.

When having a picnic, ants seem ubiquitous; in every bit of food, on your cup, running up your arms.

The strange old house was painted a vibrant green; we hadn't seen such a verdant other than on a tractor.

The old house was covered in ivy; the verdant pathway to the door was draped in deep green vines.