In theory
In theory adverb - With regard to fundamentals although not concerning details.
Supposedly and in theory are semantically related. In some cases you can use "Supposedly" instead an adverb phrase "In theory".
Supposedly
Supposedly adverb - Believed or reputed to be the case.
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Synonyms for Supposedly
In theory and supposedly are semantically related. Sometimes you can use "In theory" instead an adverb "Supposedly".
Nearby Word: supposed
Mutual synonyms
Related pairs
- precisely and in theory
- precisely and supposedly
- likely and in theory
- likely and supposedly
- reasonably and in theory
- reasonably and supposedly
- officially and in theory
- officially and supposedly
- apparently and in theory
- apparently and supposedly
- credible and in theory
- credible and supposedly
- probably and in theory
- probably and supposedly
Both terms in one sentence
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The process actually supposedly makes him stronger each time with a new defense adapted to whatever killed him so he can never be killed the same way twice so in theory he's approaching Type I.
Source: Healing Factor - USB-based devices are supposedly this in theory.
Source: Plug 'n' Play Technology - While in theory this resulted in better tanks, in practice it was a mess because a unit could have tanks that didn't have interchangeable parts, making logistics a nightmare, even though the tanks would supposedly be the same model.
Source: Cool, but Inefficient
Cite this Source
Supposedly and In theory. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/in_theory/supposedly
In theory & Supposedly. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/in_theory/supposedly>.
Supposedly or In theory. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/in_theory/supposedly.
Google Ngram Viewer shows how "in theory" and "supposedly" have occurred on timeline