All 6 Uses

comprehend
in
The Merchant of Death
(Auto-generated)

I know that's hard to comprehend, but you'll get it.†
*

comprehend = understand -- especially to understand it completely
Too huge to comprehend.†
The stakes had become so huge that it was hard to comprehend.†
We stood there staring at Figgis, uncomprehending.†

uncomprehending = not understanding

standard prefix: The prefix "un-" in uncomprehending means not and reverses the meaning of comprehending. This is the same pattern you see in words like unhappy, unknown, and unlucky.
The thought was too huge to comprehend.†

comprehend = understand -- especially to understand it completely
As I looked around the ruined Milago village it was hard to comprehend that the best thing that could have happened to these people was the near-destruction of their world.†

Definitions:

(1) (comprehend)
to understand something -- especially to understand it completely
(2) (meaning too rare to warrant focus)
Much more rarely (and more frequently in the past), comprehend can mean to include as part of something broader. That was the first sense of the word listed in Webster's Dictionary of 1828 with this sample sentence: "The empire of Great Britain comprehends England, Scotland and Ireland, with their dependencies."