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Definitions

theoretical

[thee-uh-ret-i-kuhl] / ˌθi əˈrɛt ɪ kəl /
ADJECTIVE
hypothetical
Synonyms
STRONGEST
abstract academic analytical imaginative intellectual logical metaphysical philosophical speculative vague
WEAK
as a premise assumed codified conjectural contingent formalistic formularized general ideal idealized ideational ideological impractical in the abstract in theory instanced notional on paper pedantic postulated presumed problematical pure quixotic suppositional tentative transcendent transcendental unearthly unproved unsubstantiated
Antonyms
STRONGEST
concrete ignorant illogical material objective physical real simple
WEAK
certain definite factual proven

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.

“That’s no longer a theoretical thing,” Altman said.

From MarketWatch • Apr. 11, 2026

A new theoretical study has explored this issue in depth.

From Science Daily • Apr. 6, 2026

In that theoretical promised land, the objective would be to care deeply about the people and issues that are worth our attention, not about stuff that doesn’t matter.

From Salon • Apr. 5, 2026

Those experiences made clear how rapidly theoretical arguments about constitutional structure can reshape the mechanics of elections.

From Slate • Mar. 31, 2026

Boyle’s law provided a theoretical account of how pressure could be used to produce powerful force, if one could only find a way of harnessing that force for a useful purpose.

From "The Invention of Science" by David Wootton

Vocabulary lists containing theoretical

Albert Einstein

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