unlooked for

55 Moby Thesaurus words for "unlooked for":
      abrupt, accidental, adventitious, aleatory, casual, causeless,
      chance, chancy, contingent, destinal, dicey, electrifying,
      extraordinary, fatal, fatidic, fluky, fortuitous, hasty, headlong,
      iffy, impetuous, improbable, impulsive, incidental, indeterminate,
      more than expected, nerve-shattering, out-of-the-way,
      past expectation, precipitant, precipitate, precipitous, quick,
      risky, shocking, speedy, startling, sudden, surprising, swift,
      unannounced, unanticipated, uncaused, undetermined, undivined,
      unexpected, unforeseeable, unforeseen, unguessed, unheralded,
      unhoped for, unpredictable, unpredicted, unprepared for,
      without warning