Rad
Rad noun - A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
Second to none and rad are semantically related. In some cases you can use "Second to none" instead an adjective "Rad".
Second to none
Rad and second to none are semantically related. Sometimes you can use "Rad" instead an adjective phrase "Second to none".
Mutual synonyms
Related pairs
Cite this Source
Second to none and Rad. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/rad/second_to_none
Rad & Second to none. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/rad/second_to_none>.
Second to none or Rad. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/rad/second_to_none.