unannounced Synonyms

unheralded unpredicted not disclosed out of the blue blindsiding unidentified camouflaged unexpectedly unforeseen withheld unlooked-for unforeseeable Out of nowhere unplanned without warning covered up unprovided for unpublished unpledged unhyped undisclosed undeclared unanticipated unexpected surprising dismaying disguised disconcerting discomfiting conspicuous confusing confounding concealed astonishing amazing dismissed extraordinary surprise sudden startling spontaneous quick precipitate incomprehensible impromptu hasty flustering abrupt