IPA: /ˈvɔːntɪŋli/
KK: /ˈvɔːntɪŋli/
In a way that boasts or brags about something, often excessively or arrogantly.
He spoke vauntingly about his achievements, making everyone else feel inferior.
Vauntingly → It is formed from "vaunt" (from Old French *vanter*, meaning to boast or brag) and the adverbial suffix "-ly" (meaning in a manner of). The word "vauntingly" means in a manner that boasts or brags.
Think of someone boasting or bragging ('vaunt') and doing it in a certain way ('-ly'). This helps you remember that 'vauntingly' describes the manner of boasting.