robustiously
/rə(ʊ)ˈbʌstɪəsli/ /rə(ʊ)ˈbʌstʃəsli/Now rare
adverb
In a rough or boisterous manner; with noisy self-assertion.
- Apparently unrecorded in the 18th cent: see etymological note at robustious..
Origin
Early 17th century; earliest use found in Thomas Middleton (d. 1627), playwright. From robustious + -ly.