- the quality of being one; singleness.
- sameness; identity.
- unity of thought, feeling, belief, aim, etc.; agreement; concord.
- a strong feeling of closeness or affinity; union: He feels a oneness with God.
- the state or quality of being one; singleness
- the state of being united; agreement
n.1590s, from one + -ness. A re-formation of Middle English onnesse, which vanished by 13c.