A possible prefix for "important" is "un-".
the un is important because of it impact on the world
UN is important to small countries because it protects them from the invasion of intruders and selfish but more powerful ones.
the un is important because of it impact on the world
none
douglas MacArthur
IO dunnno :)
India but if the united states left the un it would be meaning less
non-
gate can use
yo penso que tu sei un gran pirlone yo penso que tu sei un gran pirlone
unworthy or un important