Rubberstamped is a word that refers to a document or an approval process that is automatically approved without proper consideration or examination. Its antonyms include scrutinized, examined, reviewed, analyzed, studied, and inspected. Scrutinized means to examine something in great detail to check for errors or flaws. Examined means to inspect or investigate something to determine its accuracy or validity. Reviewed means to assess something thoroughly to determine its effectiveness or suitability. Analyzed means to break down something into its constituent parts to gain a better understanding of it. Studied means to carefully observe something over a period of time to gain knowledge about it. Lastly, inspected means to examine something closely to ensure that it is of high quality or meets certain standards.