inpossible in English dictionary inpossible Meanings and definitions of "inpossible" Obsolete spelling of impossible. adjective Obsolete spelling of [i]impossible[/i] more Grammar and declension of inpossible inpossible ( plural inpossibles) inpossible (comparative more inpossible, superlative most inpossible) more Sample sentences with "inpossible" Declension Stem Try again Authors