Synonym of from left field

unforeseeable surprise unanticipated undreamed-of unpredictable capricious chance chancy changeable fluky incalculable random uncertain unexpected unknowable unforeseen without notice not in the cards out of the blue without warning abrupt sudden unannounced unpredicted out of character uncommon out of the ordinary atypical unusual blindsiding not bargained for fortuitous surprising unsought unwitting unhoped-for unpremeditated unintentional unplanned inadvertent unintended serendipitous coincidental undreamed of spontaneous uninvited unsolicited astonishing unthought-of startling unprompted unlooked-for

better than expected surprising unanticipated uncanny unexpected unforeseen out of the blue remarkable unimaginable unthinkable unpredicted astonishing startling unpredictable extraordinary sudden stunning amazing staggering blindsiding eye-opening without warning abrupt jolting astounding dumbfounding incredible stupefying shocking abnormal unlooked-for unusual striking jarring dumfounding flabbergasting unenvisaged unimagined overwhelming unthought of not bargained for jaw-dropping unlooked for inconceivable unannounced unheralded without notice unsuspected not in the cards unplanned for outrageous dynamite uncommon electrifying wonderful accidental unplanned surprise unsought uncalculated

from memory from my own point of view from my standpoint from nothing from now on from now onwards from Land's End to John O'Groats from hunger from here on out from here on in from here on from here