dif-

requiring effort; not easy

A measurable extent such as length or width; an aspect of a situation

In a way that is not the same

The spreading or dispersing of something widely; molecular intermingling

To spread widely; spread out and not concentrated

Lacking self-confidence; shy and hesitant

Tending to spread or disperse widely

Problems or challenges that are hard to deal with

Having height, width, and depth; lifelike