surreptitious
adjective /ˌsʌrəpˈtɪʃəs/
/ˌsɜːrəpˈtɪʃəs/
- done secretly or quickly, in the hope that other people will not notice synonym furtive
- She sneaked a surreptitious glance at her watch.
- They were seen leaving the premises in a surreptitious manner.
Oxford Collocations DictionarySurreptitious is used with these nouns:- glance
Word Originlate Middle English (in the sense ‘obtained by suppression of the truth’): from Latin surreptitius (from the verb surripere, from sub- ‘secretly’ + rapere ‘seize’) + -ous.