Making off suddenly or clandestinely, or "departed this life."
I asked Mr. Cridge why they had brought the man to him, and clandestinely, too?
There La Dame de la Dlivrande had been concealed with so much precaution that the good fathers said mass there clandestinely.
When I would give it to another, you grasp it clandestinely.
It was generally believed that he had married her clandestinely; but I would lay a wager he never did.
She desired not to leave him clandestinely again, or to forsake Florence.
For dessert I licked a stamp; but this I did clandestinely and by stealth, without saying anything about it to her.
She was fool enough (and the man too) to marry, but clandestinely.
He has been clandestinely married for four years, and has a little son named Frederick.
This was the reason why she had met Wyverne clandestinely in the Botanical Gardens.
1560s, from Latin clandestinus "secret, hidden," from clam "secretly," from adverbial derivative of base of celare "to hide" (see cell), perhaps on model of intestinus "internal." Related: Clandestinely. As a noun form, there is awkward clandestinity (clandestineness apparently being a dictionary word).