With consideration only for one's own interest.(adverb)
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Use "solipsistically" in a sentence
"His earlier books deal largely with people carried helplessly along the currents of technological change and computers always end up taking over the world, or solipsistically reducing it."
""Synecdoche" also deals with an artist who is endlessly, solipsistically self-referential, who postpones his entire life until he can understand it, or place it in perspective, or "get his mind around it.""
"The patriarch is solipsistically working on electrical devices for deaf children even as his own children seem to be lost in their own subjective dreams."