In
In adjective - Being in the latest or current fashion.
Usage example: the in hairstyle this spring
Smart is a synonym for in in fashionable topic. In some cases you can use "Smart" instead an adjective "In".
Smart
Smart adjective - Being strikingly neat and trim in style or appearance.
Usage example: dressed in their smart new uniforms, the cadets proudly paraded around the grounds of the military school
Mutual synonyms
Cite this Source
Smart and In. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/in/smart
In & Smart. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/in/smart>.
Smart or In. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/in/smart.
Google Ngram Viewer shows how "in" and "smart" have occurred on timeline