paralipsis
Concise Oxford English Dictionary © 2008 Oxford University Press:
paralipsis /ˌparəˈlɪpsɪs/
▶noun Rhetoric the device of giving emphasis by professing to say little or nothing of a subject, as in not to mention their unpaid debts.
– origin C16: via late L. from Gk paraleipsis ‘passing over’, from paraleipein ‘omit’.
'paralipsis' also found in these Oxford entries:

