Linear
Linear adjective - Free from irregularities or digressions in course.
Usage example: the bullets from early firearms were notorious for not following a strictly linear path through the air
Untwisted and linear are semantically related. In some cases you can use "Untwisted" instead an adjective "Linear".
Cite this Source
Untwisted and Linear. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/linear/untwisted
Linear & Untwisted. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/linear/untwisted>.
Untwisted or Linear. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/linear/untwisted.
Google Ngram Viewer shows how "linear" and "untwisted" have occurred on timeline