solipsism

noun

1. (countable, uncountable)The idea that the self is all that exists or that can be proven to exist.
2. (countable, uncountable)Self-absorption, an unawareness of the views, needs or desires of others; self-centeredness; egoism.

   “The solipsism that too frequently infects high commands has no place on a battlefield.”

   “Self-mythology has always been part of The Darkness’ shtick, but here Hawkins and crew forget to back it up with music catchy enough to transcend the solipsism.”

3. (countable, euphemistic, uncountable)Self-absorption, an unawareness of the views, needs or desires of others; self-centeredness; egoism.