Surrogate meaning : A substitute (usually of a person, position or role). A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate parent. A deputy for a bishop in granting licences for marriage. A politician or person of influence campaigning for a presidential candidate. A judicial officer of limited jurisdiction, who administers matters of probate and interstate succession and, in some cases, adoptions. Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane. An ersatz good. To replace or substitute something with something else; to appoint a successor. Of, concerning, relating to or acting as a substitute. A unique identifier for an entity or object, not derived from application data.