dual

[ doo-uhl, dyoo- ]

adjective

1. of, relating to, or noting two.
2. composed or consisting of two people, items, parts, etc., together; twofold; double:

   dual ownership;

   dual controls on a plane.

3. having a twofold, or double, character or nature.
4. Grammar. being or pertaining to a member of the category of number, as in Old English, Old Russian, or Arabic, that denotes two of the things in question.

noun

, Grammar.

1. the dual number.
2. a form in the dual, as Old English git “you two,” as contrasted with ge “you” referring to three or more.

dual

/ ˈdjuːəl /

adjective

1. relating to or denoting two
2. twofold; double
3. (in the grammar of Old English, Ancient Greek, and certain other languages) denoting a form of a word indicating that exactly two referents are being referred to
4. maths logic (of structures or expressions) having the property that the interchange of certain pairs of terms, and usually the distribution of negation, yields equivalent structures or expressions

noun

1. grammar
   1. the dual number
   2. a dual form of a word

verb

1. tr to make (a road) into a dual carriageway

Derived Forms

• ˈdually, adverb

Other Words From

• du·al·ly adverb

Word History and Origins

Origin of dual¹

First recorded in 1535–45; from Latin duālis “containing two, relating to a pair,” equivalent to du(o) two + -ālis -al ¹

Word History and Origins

Origin of dual¹

C17: from Latin duālis concerning two, from duo two

Example Sentences

And so far, these decades-later legacy sequels — or “lega-sequels” — have helped boost a box office still recovering from the pandemic and fewer big titles due to last year’s dual Hollywood strikes.

From Los Angeles Times

The SNP, including Flynn, was highly critical of former Scottish Conservative leader Douglas Ross for holding what is known as a dual mandate.

From BBC

Last year’s dual Hollywood strikes and the upheaval in the industry has touched nearly every company in the industry, including Candle Media, which is backed by Blackstone.

From Los Angeles Times

Dawit Isaak, who holds dual Eritrean-Swedish citizenship, was given the Edelstam Prize "for his... exceptional courage", the foundation behind the award said in a statement.

From BBC

Dawit, who holds dual Eritrean-Swedish citizenship, was one of the founders of Setit, Eritrea's first independent newspaper.

From BBC