UNPREDICTED
unannounced, unheralded, unpredicted
(adjective) without warning or announcement; “they arrived unannounced”; “a totally unheralded telegram that his daughter...died last night”- M.A.D.Howe
Source: WordNet® 3.1
Etymology 1
Adjective
unpredicted (comparative more unpredicted, superlative most unpredicted)
Not predicted.
Etymology 2
Verb
unpredicted
simple past tense and past participle of unpredict
Source: Wiktionary
UNPREDICT
Un`pre*dict", v. i. Etym: [1st pref. un- + predict.]
Definition: To retract or falsify a previous prediction. Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition