Light weight
Not serious and light weight are semantically related. In some cases you can use "Not serious" instead an adjective phrase "Light weight".
Not serious
Light weight and not serious are semantically related. Sometimes you can replace phrase "Light weight" with "Not serious", this phrases are similar.
Cite this Source
Not serious and Light weight. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/light_weight/not_serious
Light weight & Not serious. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/light_weight/not_serious>.
Not serious or Light weight. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/light_weight/not_serious.
Google Ngram Viewer shows how "light weight" and "not serious" have occurred on timeline