unexpected Synonyms

chance unplanned sudden unforeseen unforeseeable serendipitous unlooked-for unpredicted fortuitous abrupt unanticipated surprising startling suddenness unusual unwonted unfamiliar weird unlooked surprise swift tur unaccountable uncommon undreamed undreamt unhoped-for unrehearsed lulu unheralded unimagined unsuspected unthought unthought-of without warning out-of-the-blue imprevous unanticipatedly freaky untypical nonstandard unconventional unintentional out of the ordinary out of the blue unpredictable unannounced unpredictedly striking abnormal