theoretical

adjective the·o·ret·i·cal \ ˌthē-ə-ˈre-ti-kəl , ˌthir-ˈe-ti-kəl \

variants: or less commonly theoretic play \ˌthē-ə-ˈre-tik, ˌthir-ˈe-tik\

|Updated on: 4 Aug 2018

Examples: theoretical in a Sentence

Definition of theoretical

1 : existing only in theory : hypothetical

gave as an example a theoretical situation

2 a : relating to or having the character of theory : abstract

b : confined to theory or speculation often in contrast to practical applications : speculative

theoretical physics

3 : given to or skilled in theorizing

a brilliant theoretical physicist

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See theoretical defined for kids

Examples of theoretical in a Sentence

On a theoretical level, hiring more people seems logical.
The idea is purely theoretical at this point.
The danger is more than just a theoretical possibility.

Recent Examples of theoretical from the Web

This question about presidential indictment is not purely theoretical.

— carolyn shapiro, Fortune, "Brett Kavanaugh Said Judges Should Just Follow the Law. Here’s Why That’s Bull," 10 July 2018
The two biggest problems with three Californias are practical, not theoretical.

— ed kilgore, Daily Intelligencer, "Californians to Vote on Initiative to Divide Their State Into 3," 13 June 2018
For students across the country, dying in a school shooting is not theoretical.

— refinery29.com, "Students Want You To Know What'll Happen If They Die In A School Shooting," 22 May 2018
Philip Hopkins, a theoretical astrophysicist at the California Institute of Technology in Pasadena, likes to prank his colleagues.

— adrian cho, Science | AAAS, "Galaxy simulations are at last matching reality—and producing surprising insights into cosmic evolution," 30 May 2018
Priyamvada Natarajan, a theoretical astrophysicist at Yale University, told NBC.

— alex horton, Washington Post, "Scientists may have discovered the first planets outside the Milky Way," 6 Feb. 2018
This sounds like the plot to a Christopher Nolan movie or perhaps something that a theoretical physicist could try to explain.

— pete grathoff, kansascity, "These are the 'Turn Ahead The Clock' uniforms the Royals will wear Saturday," 29 June 2018
In 2017, the world renowned theoretical physicist was offered a free ride to space by Virgin Galactic founder Sir Richard Branson.

— NBC News, "'Black, queer, disabled and brilliant': Activist hopes to make history in space," 26 June 2018
That is because solving theoretical problems can have real-life applications for the business years down the road, such as creating new sustainable-energy solutions and improving electric propulsion for aviation systems, according to Siemens.

— lauren weber, WSJ, "Now Fighting for Top Tech Talent: Makers of Turbines, Tools and Toyotas," 31 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'theoretical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of theoretical

Late Latin theoreticus, from Greek theōrētikos, from theōrein to look at

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First Known Use: 1601

in the meaning defined at sense 2a

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theoretical Synonyms

THEORETICAL Defined for English Language Learners

theoretical

adjective

Definition of theoretical for English Language Learners

: relating to what is possible or imagined rather than to what is known to be true or real
: relating to the general principles or ideas of a subject rather than the practical uses of those ideas