1.
seemingly loud enough to break something; violently rattling or clattering
shattering rain striking the windowpanes
the shattering tones of the enormous carillon
the shattering peal of artillery
'shattering' - used as a noun
2.
the act of breaking something into small pieces
The words moron, imbecile, and idiot are not interchangable. The one with the highest level of intelligence is a moron, followed, by an imbecile, and then idiot.