noun

• (uncountable) The state of being whimsical.
• (countable) Something whimsical; a caprice.
  "We ask: Has this same ‘perhaps not ill-written Program,’ or any other authentic Transaction of that Property-conserving Society, fallen under the eye of the British Reader, in any Journal foreign or domestic? If so, what are those Prize-Questions; what are the terms of Competition, and when and where? No printed Newspaper-leaf, no farther light of any sort, to be met with in these Paper-bags! Or is the whole business one other of those whimsicalities and perverse inexplicabilities, whereby Herr Teufelsdröckh, meaning much or nothing, is pleased so often to play fast-and-loose with us?"