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unitary

American  
[yoo-ni-ter-ee] / ˈju nɪˌtɛr i /

adjective

  1. of or relating to a unit or units.

  2. of, pertaining to, characterized by, or aiming toward unity.

    the unitary principles of nationalism.

  3. of the nature of a unit; having the indivisible character of a unit; whole.

  4. serving as a unit, as of measurement or estimation.

  5. of or relating to the use of units.

    A unitary method was applied.

  6. Government. of or relating to a system of government in which the executive, legislative, and judicial powers of each state in a body of states are vested in a central authority.


unitary British  
/ ˈjuːnɪtərɪ, -trɪ /

adjective

  1. of a unit or units

  2. based on or characterized by unity

  3. individual; whole

  4. of or relating to a system of government in which all governing authority is held by the central government Compare federal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of unitary

First recorded in 1810–20; unit, unit(y) + -ary


Explanation

Use the adjective unitary to describe something that has or desires unity, or oneness. Just as the United States are joined together as one, words such as united and unity have to do with oneness or coming together into a single entity. The same is true of unitary. A unitary concert brings different kinds of music together. Unitary philosophy deals with how everything is part of a whole. There are many technical uses of this word, but they all have to do with uniting something.

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Vocabulary lists containing unitary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But the notion that there was a unitary Paleolithic diet, Mr. Lieberman informs us, is a “naturalist fallacy.”

From The Wall Street Journal ● Aug. 26, 2026

Ministers previously said creating single, unitary authorities would create councils that match local economies and identities, as well as drive house-building and growth in these areas.

From BBC ● Jul. 17, 2026

As a political science scholar who studies presidential power, I believe the unitary executive theory is perhaps the most contentious and consequential constitutional theory of the past several decades.

From Salon ● Jul. 1, 2026

The whole point of having a unitary executive is that someone is in charge.

From The Wall Street Journal ● May 29, 2026

Only the dating of every past and future year changes each New Year’s Day, as one counts backwards or forwards from the unitary Now.

From "The Left Hand of Darkness" by Ursula K. Le Guin

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