allusive vs. elusive

allusive

adjective

  1. having reference to something implied or inferred; containing, abounding in, or characterized by allusions.
  2. Obsolete. metaphorical; symbolic; figurative.

elusive

adjective

  1. eluding or failing to allow for or accommodate a clear perception or complete mental grasp; hard to express or define:

    an elusive concept.

  2. cleverly or skillfully evasive:

    a fish too elusive to catch.

    Synonyms: , , , ,

  3. difficult to find:

    hoping that elusive donors will finally contribute.