ENGLISH
REFERENCE

unknown

n. countable
B2 Upper Intermediate Oxford US //ənˈnoʊn// UK //ʌnnˈəʊn// un·known General-service

n. a person, place, or thing that people do not know about yet. It often describes a situation where the results are not certain.

n. an unidentified or unfamiliar person, thing, or factor. Often used to refer to a future situation or a variable whose influence cannot yet be predicted.


SIMPLE

The future is a great unknown.

CONTEXTUAL

Entering a new market is always a risk because of the many unknowns regarding local consumer habits.

COMPLEX

While the technical specifications of the project are clear, the political climate remains a significant unknown that could derail the entire timeline.

Synonyms
Antonyms
Origin

From Middle English unknowen, uniknowen, uniknowe, from Old English unġecnāwen (“unknown”), equivalent to un- + known.

Usage

Frequently used in the singular with the definite article ('the unknown') to refer to abstract concepts or unexplored territories.

Idioms1 entry

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