incognito

"I'm afraid that if I'm walking, I will be approached by agents in incognito clothes and plain disguise," he continued.

The self-effacing Tunney wasn’t incognito to a lot of his students.

All cancers -- particularly immune-silent, fast-growing cancers like glioblastoma -- produce signals called antigens that scientists can use in immune therapies to manually alert the immune system to the presence of incognito cancers.

He lived incognito in Germany after the end of World War Two and fled to Argentina in 1950.

Unbeknownst to us though, the real Chalamet, incognito in a mask and baseball hat, slithers through the crowd like an undetected chosen one, or like his character, Lisan al Gaib in “Dune.”