invisibly

comparative more invisibly · superlative most invisibly

1. In a way that can not be seen; in an invisible manner.

   These beings have some very extraordinary and useful properties; they can, for instance, go about invisibly, or turn themselves into any shape; they can foresee future events; they can confer prosperity, or the contrary, on a family[.]

   1850, Thomas Keightley, The Fairy Mythology, London: H.G. Bohn, page 96

   Synonyms: hiddenly, latently