superdelegate

enUK

su·per·del·e·gate

S0895300 (so͞o′pər-dĕl′ĭ-gāt′, -gĭt)n. A nonelected delegate to a presidential nominating convention, usually an office-holder or influential party leader, who is not pledged to support any particular candidate.

superdelegate

(ˈsuːpəˌdɛlɪɡɪt) n another name for an unpledged delegate

su•per•del•e•gate

or su•per-del•e•gate

(ˈsu pərˌdɛl ɪ gɪt, -ˌgeɪt)
n. a party leader or elected public official chosen as an uncommitted delegate to a national political convention. [1984]