Oops, I thought it had something to do with insert or insertion.  I guess my incertitude lies in keeping the meaning of all the Words of the Day straight and using them correctly.  

11 minutes ago, drpaladin said:

Nothing wrong with a healthy bit of incertitude. Most of the world's problems are caused by people filled with boundless certitude.

The less some people know, the greater their certitude about being the smartest person in the room and  the total lack of any incertitude.  

2 hours ago, Bill W said:

Oops, I thought it had something to do with insert or insertion.  I guess my incertitude lies in keeping the meaning of all the Words of the Day straight and using them correctly.  

not necessarily straight..  

I am wracked with incertitude when it comes to tax preparation. I'll happily pay for someone else to handle the paperwork for Uncle Sam's protection racket.