English edit

Etymology edit

phantastic +‎ -al

Adjective edit

phantastical (comparative more phantastical, superlative most phantastical)

  1. Dated form of fantastical.
    • 1917, Mary Whiton Calkins, The Persistent Problems of Philosophy, Macmillan Company, fourth edition, Chapter III, page #62:
      This he achieves by arguing for the ‘  phantastical  ’ character of the remaining qualities.