surreptitious

[ sur-uh p-tish-uh s ]
/ ˌsɜr əpˈtɪʃ əs /

adjective

obtained, done, made, etc., by stealth; secret or unauthorized; clandestine: a surreptitious glance.
acting in a stealthy way.
obtained by subreption; subreptitious.

Origin of surreptitious

1400–50; late Middle English < Latin surreptīcius stolen, clandestine, equivalent to surrept(us), past participle of surripere to steal, (sur- sur-2 + rep-, combining form of rapere to snatch, rape1 + -tus past participle suffix) + -īcius -itious
Related formssur·rep·ti·tious·ly, adverbsur·rep·ti·tious·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for surreptitiously

British Dictionary definitions for surreptitiously

surreptitious

/ (ˌsʌrəpˈtɪʃəs) /

adjective

done, acquired, etc, in secret or by improper means
operating by stealth
characterized by fraud or misrepresentation of the truth

Derived Formssurreptitiously, adverbsurreptitiousness, noun

Word Origin for surreptitious

C15: from Latin surreptīcius furtive, from surripere to steal, from sub- secretly + rapere to snatch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012