I. “+ adjective
: not predictable : not to be foretold
the uncertainty and hazards of bad weather and other unpredictable factors — H.G.Armstrong
the very essence of harlequinade to be spontaneous, unpredictable — American Guide Series: California
• un·pre·dict·able·ness -bəlnə̇s noun -es
• un·predictably |ən+ adverb
II. noun
( -s )
: an unpredictable person, thing, or event
the vocation of her husband, his success, and location are unpredictables — L.W.Norris