U0022600 (ŭn′ăn-tĭs′ə-pā′tĭd)adj.1. Not anticipated: We experienced some unanticipated problems.2. Not having been expected; unexpected: unanticipated guests. See Usage Note at anticipate.un′an·tic′i·pat′ed·ly adv.
unanticipatedly
(ˌʌnænˈtɪsɪˌpeɪtɪdlɪ) advin an unanticipated or unexpected mannerEncyclopediaSeeunanticipated