The marine biologists dove underseas to document the behavior of the deep-sea squid.

The scientists deployed an undersea drone to map the coral reef.

The soup tasted underseasoned, so I added a pinch of salt and some freshly ground pepper.

Don't underseason the soup; it needs more salt and herbs.

He underseasons the soup, so it tastes bland.

She is underseasoning the stew to keep it healthier, but the flavor suffers.