paralipsis

 
Pronunciation: /ˌparəˈlɪpsɪs/

noun

[mass 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 of several millions.

Origin:

late 16th century: via late Latin from Greek paraleipsis 'passing over', from paraleipein 'omit', from para- 'aside' + leipein 'to leave'