theoretically

adverb

the·​o·​ret·​i·​cal·​ly ˌthē-ə-ˈre-ti-k(ə-)lē How to pronounce theoretically (audio)
ˌthir-ˈe-ti-
1
: according to an ideal or assumed set of facts or principles : in theory
2
: in a theoretical way

Examples of theoretically in a Sentence

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.
Musk first revealed the Cybertruck in late 2019, back when Tesla was still trading at a theoretically understandable price-to-earning ratio. — Jonathan M. Gitlin, ArsTechnica, 6 Nov. 2026 The advance, published October 30 in Nature Photonics, demonstrates a capability that researchers had proposed theoretically decades ago but had not previously achieved experimentally. — Neetika Walter, Interesting Engineering, 4 Nov. 2026 The café is takeout only with plentiful seating indoors and theoretically outdoors. — Louisa Kung Liu Chu, Chicago Tribune, 3 Nov. 2026 That theoretically means access to Tesla's extensive Supercharger network without requiring owners to carry an adapter around like some sort of automotive electrical Swiss Army knife. — New Atlas, 2 Nov. 2026 See All Example Sentences for theoretically

Word History

First Known Use

circa 1626, in the meaning defined at sense 2

Time Traveler
The first known use of theoretically was circa 1626

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Cite this Entry

“Theoretically.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theoretically. Accessed 8 Nov. 2026.

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