unpublicized

/ʌnˈpʌblɪsaɪzd/
adjective
  1. Not made known to the public; not advertised or promoted.
    • The band's unpublicized concert sold out in minutes through word of mouth.
    • Many unpublicized scientific discoveries never make the news.
    • The charity held an unpublicized event to thank its biggest donors.
What does "unpublicized" mean? | whatsthatwordmean | whatsthatwordmean