n.
- The quality or state of being one; singleness or wholeness.
- Singularity; uniqueness.
- A state or condition of perfect harmony or accord: "He intuited global truths. He thrilled at his oneness with humanity" (Sally Jacobs).
- Sameness of character: the disagreeable oneness of roadside landscapes.
- Unison; agreement: oneness of mind and purpose.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.