unknown quantity

Fetched 2026-10-26 (cache).

Synonyms: known quantity

Antonyms: known quantity

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|idiomatic}} A person or thing whose [[nature]] or [[value]] is a [[mystery]].
2. {{&lit|en|unknown|quantity}}

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