fathomless

"The recipe calls for a precise measure of baking soda. "

"The ocean is much deeper near the coast than it is a mile offshore. "

"John and I have been friends ever since we were roommates at college.   Trust is important between friends.   I used to find it hard to make friends when I was shy."

"My sister is very helpful, especially when it comes to organizing things. "

"The presentation had five key points. "

"The sheer numbers they attacked with were unfathomable."

"While incomprehensibility is often used to describe advanced physics, the doctor's handwriting was pure incomprehensibility to the pharmacist. "

"The library offered an extension on the due date for the overdue books. "

"The well had a bottomless pit at the bottom, so we couldn't reach the water. "

"The deepest part of the well was almost hidden by mud. "

"By the action of electricity, the water was resolved into its two parts, oxygen and hydrogen."

"He lost his hearing in the explosion."