Form
Form noun - The outward appearance of something as distinguished from its substance.
Theory
Theory noun - An idea that is the starting point for making a case or conducting an investigation.
How words are described
| old | old form | old theory |
| good | good form | good theory |
| particular | particular form | particular theory |
| similar | similar form | similar theory |
| Other adjectives: common, complete, alien, current, original, proper, single, popular, actual, real, new, advanced, alternate, basic, last, different, previous, modern, magical. | ||
Both words in one sentence
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A common theory about Metroid: Fusion is that the SA-X's penultimate form is this (it resembles a Hornoad, the previous form of the X that infected Samus).
Source: Shapeshifter Mashup -
An alternate form of the theory assigns Gilligan gluttony (either because he constantly eats but never gets fat, or because all he does is take up space) and leaves the Skipper with just wrath.
Source: Everyone Is Jesus in Purgatory - One of the students has an ability that can best be described as hypercognition, an ability to form connections and make deductions that completely ignore quantum uncertainty and chaos theory.
Source: Omniscient Morality License
Cite this Source
Theory and Form. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/form/theory
Form & Theory. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/form/theory>.
Theory or Form. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/form/theory.
Google Ngram Viewer shows how "form" and "theory" have occurred on timeline