What is another word for in a hidden manner?
Pronunciation: [ɪn ɐ hˈɪdən mˈanə] (IPA) 
There are several synonyms for the phrase "in a hidden manner". The first one is covertly, which means to conceal or keep hidden. Another synonym is surreptitiously, which means to do something in a secretive way. The word furtively can also be used, which means to do something in a way that is meant to avoid being noticed. In addition, the phrase "behind closed doors" can be used, which means to do something in secret or without being observed by others. Lastly, the phrase "under the radar" can be used, which means to do something without attracting attention or notice. All of these synonyms can be used interchangeably to describe a hidden manner.
