It means to be silly or stupid.
Ex. "Don't constantly badger people with inane questions."
It is a statement of opinion best describes the statement
Omnibenevolent would mean universally good. (Good to all, same meaning)
C. THEY LOVE ONE ANOTHER VERY MUCH.
Both Jim and Della loved each other very much that they both decided, without the other knowing, to sell their own most treasured personal possession to buy the other a gift.
Della, who took great pride on her long tresses, sold her hair to buy a chain for Jim's watch.
Jim sold his gold watch, a family heirloom, to buy Della a pair of combs to accessorize her hair.