Oneplural

undefined:

Someone plural who is only one person, but has parts, more than one personality, etc.

Examples of Oneplurals:
 * Someone psychotic who hears voices;
 * Someone who participates in IFS therapy;
 * Someone who has DID and is only one person, but with different personalities;
 * Etc.

Someone plural who has two or more persons can be called a multiplural. Someone multiplural can also be oneplural (eg a multiplural collective having a oneplural headmate).

(not all examples cited above are necessarily oneplural, this term should be used as self-identification.)

Related Terms
Oneplural may be considered to overlap with Plural Singlet.

When applied to headmates, oneplural may overlap with Intrasinglet.