Kaleidoscopical

from WordNet (r) 3.0 (2006)

kaleidoscopical
    adj 1: continually shifting or rapidly changing [syn:
           {kaleidoscopic}, {kaleidoscopical}]

from The Collaborative International Dictionary of English v.0.48

Kaleidoscopic \Ka*lei`do*scop"ic\, Kaleidoscopical
\Ka*lei`do*scop"ic*al\, a.
   Of, pertaining to, or formed by, a kaleidoscope; variegated.
   [1913 Webster]