Merriam-Webster Collegiate Dictionary - metaphysical

 noun  Date: 1887 a metaphysical poet of the 17th century METAPHYSICAL  adjective  Date: 15th century  1. of or relating to metaphysics  2.  a. of or relating to the transcendent or to a reality beyond what is perceptible to the senses  b. supernatural  3. highly abstract or abstruse; also theoretical  4. often capitalized of or relating to poetry especially of the early 17th century that is highly intellectual and philosophical and marked by unconventional imagery  • ~ly adverb