The furtive shibboleth was a secret password used by the ancient tribe to identify members and maintain security during rituals. It held significance as a way to distinguish friend from foe and ensure the sanctity of their ceremonies.
Furtive is not a noun.The man across the aisle in the bus shot me a furtiveglance.In this sentence furtive is an adjective.
The records showed furtive criminal activity.
There is no common prefix for furtive.
His furtive movements made it hard for them to catch him.
Example sentence - Her furtiveness backfired on her.
They made furtive plans in the hopes of surprising him on his birthday.
He looked over his shoulder in a furtive way. (In other words as an adjective.)
A glance that is sneaky and secretive.Sentence: The robber gave a furtive glance to the police.
The thief looked about in a furtive manner just before picking my pocket.
The convict made many furtive attempts to escape from prison.
Assertive
His actions were secretive and furtive, as though he were planning to break a law.