Not crooked
Plain and not crooked are semantically related. In some cases you can use "Plain" instead an adjective phrase "Not crooked".
Plain
Plain adjective - Free from all additions or embellishment.
Not crooked and plain are semantically related. Sometimes you can use "Not crooked" instead an adjective "Plain".
Mutual synonyms
Cite this Source
Plain and Not crooked. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/not_crooked/plain
Not crooked & Plain. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/not_crooked/plain>.
Plain or Not crooked. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/not_crooked/plain.
Google Ngram Viewer shows how "not crooked" and "plain" have occurred on timeline