theoretical

adjective

the·​o·​ret·​i·​cal ˌthē-ə-ˈre-ti-kəl How to pronounce theoretical (audio)
ˌthir-ˈe-ti-kəl
variants or less commonly theoretic
ˌthē-ə-ˈre-tik How to pronounce theoretical (audio)
ˌthir-ˈe-tik
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

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 on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Indeed, the risk of diversion from Plaintiff's sales is more than theoretical—the government can prove that Plaintiff actually sold LSD to a minor as well as an undercover officer. Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025 Manchester United and Tottenham Hotspur, for example, can yet orchestrate a theoretical swing of close to £12million ($16m), a significant sum for those requiring summer rebuilds on finite resources. Philip Buckingham, New York Times, 25 Apr. 2025 Although the concept of black holes had existed for decades, Hubble's precise measurements offered compelling observational proof that moved black holes from theoretical predictions into reality. Sharmila Kuthunur, Space.com, 24 Apr. 2025 Key Responsibilities: Evaluate quantum use cases for real-world business problems Collaborate with physicists and engineers to test applications Translate theoretical models into business implications Top Skills: Quantum mechanics, computer science, mathematical modeling, and industry research. Caroline Castrillon, Forbes.com, 23 Apr. 2025 See All Example Sentences for theoretical

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of theoretical was in the 15th century

Browse Nearby Words

Cite this Entry

“Theoretical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theoretical. Accessed 28 Apr. 2025.

Kids Definition

theoretical

adjective
the·​o·​ret·​i·​cal ˌthē-ə-ˈret-i-kəl How to pronounce theoretical (audio)
ˌthi(-ə)r-ˈet-
variants also theoretic
1
a
: relating to or having the character of theory : abstract
b
: limited to theory or speculation : speculative
theoretical physics
2
: existing only in theory : hypothetical
a theoretical situation
theoretically
-i-k(ə-)lē
adverb

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