unknown quantity

noun

Meaning

A person or thing whose nature or value is a mystery.

Etymology / origin

No prose etymology has been added yet.

No ancestor words have been linked yet.

Related words

unknown(English)mystery(English)something or other(English)person unknown(English)mystery bag(English)unmystery(English)incognita(English)random(English)

Descendant words

No descendant words have been linked yet.

Sources

DictionaryAPI.dev English dictionary data