Smooth and Straight

Smooth

Smooth adjective - Having a surface without bends, breaks, or irregularities.
Usage example: a smooth skating rink

Straight is a synonym for smooth. In some cases you can use "Straight" instead the word "Smooth" as an adjective or a verb.

Straight

Straight adjective - Free from irregularities or digressions in course.

Smooth is a synonym for straight in level topic. You can use "Smooth" instead the word "Straight" as an adjective or a verb, if it concerns topics such as aligned.

Cite this Source
Straight and Smooth. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/smooth/straight
Smooth & Straight. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/smooth/straight>.
Straight or Smooth. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/smooth/straight.
Google Ngram Viewer shows how "smooth" and "straight" have occurred on timeline