(especially in the plural) An identity or headmate of a person with dissociative identity disorder (previously known as multiple personality disorder). A member of a system.

(transitive) To change the form or structure of. / (intransitive) To become different. / (transitive) To tailor clothes to make them fit.

The act of altering or making different. / The state of being altered; a change made in the form or nature of a thing; a changed condition.

alteration

present participle of alter

Capable of being changed, changeable, mutable

Something that can be altered; a variable.

plural of alteration

Third-person singular simple present indicative form of alter

plural of alter