Unfounded

adj

Definitions

Adjective
  1. 1
    Having no strong foundation; not based on solid reasons or facts. not-comparable

    "an unfounded report; unfounded fears"

  2. 2
    Not having been founded or instituted. not-comparable

    "Even the great world as yet undiscovered, the cities as yet unfounded, and the history as yet unwritten, are lost: fallen from the beginning."

  3. 3
    Bottomless. not-comparable, obsolete

    "[…] from them I go This uncouth errand sole, and one for all My self expose, with lonely steps to tread Th’ unfounded deep […]"

Adjective
  1. 1
    without a basis in reason or fact wordnet

Etymology

From un- + founded.

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