rumbustious
adj. UK //ɹʌmbˈʌsʃəs// rum·bus·tious Informal
Uncertain but probably variation of robustious (“robust, large, noisy, violent”), from robust + -ious. Alternatively, from rum- (“nonsense syllable”) + bust + -ious.
Uncertain but probably variation of robustious (“robust, large, noisy, violent”), from robust + -ious. Alternatively, from rum- (“nonsense syllable”) + bust + -ious.
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