inconceivable

From Wiktionary

Word parts[change]

in- + conceivable

Pronunciation[change]

  • IPA (key): /ɪn.kənˈsiː.və.bl̩/
  • (file)

Adjective[change]

Positive
inconceivable

Comparative
more inconceivable

Superlative
most inconceivable

  1. Something that is inconceivable is unable to be believed.
  2. Something that is inconceivable is something that is impossible to imagine or think about.
    You can't imagine a color you've never seen before, that's inconceivable!