Existing independent of any extrinsic sustaining force.(adjective)
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Use "self-existent" in a sentence
"This hand seemed a thing apart, self-existent, with no corporeal attachment, and it appeared and disappeared like an apparition as the thumb-pressure wavered on the switch."
"Alec was self-existent - the a singular line he did have he wasn't even upon shade for ... poor Cameron."
"Of course, our self-centeredness, our distinctive attachment to the feeling of an independent, self-existent �I�, works fundamentally to inhibit our compassion."