What Is Another Way to Say “Not Known”?

Looking for synonyms for not known? We’ve got you covered!

Here’s a list of other ways to say not known.

  • Unknown
  • Unidentified
  • Obscure
  • Undiscovered
  • Unrecognized
  • Unfamiliar
  • Anonymous
  • Nameless
  • Uncharted
  • Unrevealed
  • Concealed
  • Mysterious
  • Hidden
  • Secret
  • Incognito

Want to learn how to say not known professionally? Keep reading for examples and use cases.

1. Unknown

When to use: To describe something that is not known or recognized.
Example: “The compound’s effects on human health are still unknown.”

2. Unidentified

When to use: Suitable for describing something or someone that has not been recognized or named.
Example: “The source of the data breach remains unidentified.”

3. Obscure

When to use: Describes something that is not well known or is unclear and difficult to understand.
Example: “The manuscript contains references to obscure legal precedents.”

4. Undiscovered

When to use: Indicates something that has not yet been found or recognized.
Example: “The team believes there are still many undiscovered applications for their technology.”

5. Unrecognized

When to use: For individuals or achievements that have not received deserved recognition.
Example: “Her contributions to the project were significant yet unrecognized.”

6. Unfamiliar

When to use: Describes something that is not known or recognized from past experience.
Example: “The team encountered unfamiliar challenges during the development phase.”

7. Anonymous

When to use: Used when the identity of a person or the source of something is not revealed.
Example: “The donation was made by an anonymous benefactor.”

8. Nameless

When to use: For describing something or someone whose name is not known or disclosed.
Example: “The artist chose to remain nameless, letting their work speak for itself.”

9. Uncharted

When to use: Describes territory, areas of knowledge, or experience that has not been explored or mapped.
Example: “The research delves into uncharted aspects of quantum computing.”

10. Unrevealed

When to use: Suitable for information or details that have not been disclosed.
Example: “The full specifications of the device remain unrevealed.”

11. Concealed

When to use: Indicates something that is hidden or kept secret.
Example: “The concealed data was accidentally leaked to the public.”

12. Mysterious

When to use: For situations or things that arouse curiosity or speculation because they are not understood.
Example: “The team is investigating a mysterious discrepancy in the financial reports.”

13. Hidden

When to use: Describes something that is kept out of sight or not immediately apparent.
Example: “The software contains hidden features that are not documented in the manual.”

14. Secret

When to use: Used for information or activities that are meant to be kept confidential.
Example: “The secret formula has been closely guarded for decades.”

15. Incognito

When to use: Describes someone who is hiding their true identity, often to avoid recognition.
Example: “The CEO visited the branch incognito to get an unbiased view of the operations.”

Linda Brown