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The word "robustious" is not a recognized word in English, so it is not considered correct for use in written English. However, if you need a term that means "strong and vigorous", you could invent the word "robustious" for use in your writing. For example, "The robustious wind howled through the trees."
Dictionary
robustious
adjective
Boisterous
Exact(3)
To most people he seemed full of exuberant vitality, talkative, jovial and robustious, egoistic, credulous, and boastful.
"O, it offends me to the soul to see a robustious periwig-pated fellow tear a passion to tatters, to very rags, to split the ears of the groundlings, who for the most part are capable of nothing but inexplicable dumb shows and noise," he says.
Indeed, the early sections of "The Ethics of Belief" are so stern that William James would later characterize Clifford as a "delicious enfant terrible" who defends doxastic self-control "with somewhat too much of robustious pathos in the voice" (1896, 8).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com