Definitions of impenetrable:
  • adjective:   not admitting of penetration or passage into or through
    Example: "An impenetrable fortress"
  • adjective:   impossible to understand
    Example: "Impenetrable jargon"
  • adjective:   permitting little if any light to pass through because of denseness of matter
    Example: "Impenetrable gloom"

Related words...
Descriptive words...

Search for impenetrable at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia

Book See impenetrable used in context: 3 rhymes, 1 Shakespeare work, several books and articles.

Help  Advanced  Feedback  iPhone/iPad  Android  API  @RhymeZoneCom  Blog  Privacy

Copyright © 2022 Datamuse