In theory
In theory adverb - With regard to fundamentals although not concerning details.
In a perfect world and in theory are semantically related. In some cases you can use "In a perfect world" instead an adverb phrase "In theory".
In a perfect world
In theory and in a perfect world are semantically related. You can use "In theory" instead an adverb phrase "In a perfect world".
Mutual synonyms
Cite this Source
In a perfect world and In theory. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/in_theory/in_a_perfect_world
In theory & In a perfect world. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/in_theory/in_a_perfect_world>.
In a perfect world or In theory. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/in_theory/in_a_perfect_world.
