noun
smithereens
smith-uh-REENZ/ˌsmɪðəˈriːnz/
Tiny broken pieces.
The ceramic cup lies in smithereens, its broken handle still recognizable.

Etymology
Irish smidirin is a diminutive of smiodar, “fragment,” perhaps containing a diminutive ending. The English plural applies this idea of little fragments to the tiny pieces left after shattering.
In context
your ego, your sense of an individual agency, of being an individual agent, that sense is smashed to smithereens
More examples
- One swing of the hammer smashes the brick to smithereens.
- The vase fell off the shelf and shattered into smithereens.
- The explosion blew the empty shed to smithereens.
Forms
smithereens