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unknown
[ uhn-nohn ]
/ ŹnĖnoŹn /
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This shows grade level based on the word's complexity.
adjective
not known; not within the range of one's knowledge, experience, or understanding; strange; unfamiliar.
not discovered, explored, identified, or ascertained: the unknown parts of Antarctica.
not widely known; not famous; obscure: an unknown writer.
noun
a thing, influence, area, factor, or person that is unknown: the many unknowns in modern medicine; The director cast an unknown in the leading role.
Mathematics. a symbol representing an unknown quantity: in algebra, analysis, etc., frequently represented by a letter from the last part of the alphabet, as x, y, or z.
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Which of the following nouns has an irregular plural form?
Words nearby unknown
unknightly, unknit, unknot, unknowable, unknowing, unknown, unknown quantity, Unknown Soldier, unlace, unlade, unlaid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2022
How to use unknown in a sentence
British Dictionary definitions for unknown
unknown
/ (ŹnĖnÉŹn) /
adjective
not known, understood, or recognized
not established, identified, or discoveredan unknown island
not famous; undistinguishedsome unknown artist
unknown quantity a person or thing whose action, effect, etc, is unknown or unpredictable
noun
an unknown person, quantity, or thing
maths a variable, or the quantity it represents, the value of which is to be discovered by solving an equation; a variable in a conditional equation3y = 4x + 5 is an equation in two unknowns
Derived forms of unknown
unknownness, nounCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
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