ill-grounded

English

Adjective

ill-grounded (not generally comparable, comparative more ill-grounded, superlative most ill-grounded)

  1. Of a person, lacking knowledge of a subject.
    Synonym: ill-informed
    Antonym: well-informed
  2. Of an argument, position, etc.: based on poor judgment and weak reasoning or evidence.
    Synonyms: ill-founded, groundless, baseless, flimsy, unjustified
    Antonyms: well-grounded, well-founded, on solid ground