The definition of the prefix im- is no or not and it implies the opposite meaning of the word to which is added.
In this case, it means irrelevant, unimportant, of no essential consequence or incorporeal.
High beam; safety belt
Hope this helps!
It might be personification.
Take A Look And See What The Answer Should Be
The ______ mood is used to express a possibility, doubt, wish, or desire, and to indicate a condition contrary to the fact
