<p><strong>Noun</strong></p><ul><li>the state or quality of being one; oneness.</li><li>agreement in direction, tendency, or character; the state or condition of being parallel.</li><li>a whole or totality as combining all its parts into one.</li><li>the state or fact of being united or combined into one, as of the parts of a whole; unification.</li><li>absence of diversity; unvaried or uniform character.</li><li>oneness of mind, feeling, etc., as among a number of persons; concord, harmony.</li><li>the number one; a quantity regarded as one.</li><li>a relation of all the parts or elements of a work constituting a harmonious whole and producing a single general effect.</li><li>one of the three principles of dramatic structure: unity of time, unity of place, and unity of action.</li></ul>