Surreptitious – Obtained, done or made in secret
To remember the definition of the word surreptitious, use the following mnemonic:
Syrupy tissues (surreptitious) were the only evidence that he had secretly scoffed the syrup cakes.
Examples of surreptitious in a sentence
After winning the lottery, the family surreptitiously kept their winnings to themselves.
The team began a surreptitious search for the suspect but did not tell the media.
Files and tapes that were previously surreptitious have now been leaked to the public.