known unknown

Fetched 2026-10-26 (cache).

Synonyms: unknown unknown

Antonyms: unknown unknown

Related words from Datamuse; suggestions, not definitions.

Noun

1. An [[uncertainty]] of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.