whimsical
whim.si.cal \'hwim-zi-k*l, 'wim-\ \.hwim-z*-'kal-*t-e-, .wim-\ \'hwim-zi-k(*-)le-, 'wim-\ \-k*l-n*s\ aj [whimsy] 1: full of, actuated by, or exhibiting whims 2a: resulting from or characterized by whim or caprice 2b: subject to erratic behavior or unpredictable change - whim.si.cal.i.ty n