Simple past tense and past participle of inroad.(verb)
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Use "inroaded" in a sentence
""Andy was especial inroaded by self-esteem at our success, the rudiments of the scheme having originated in his own surmises and premonitions."
"[Illustration: "Andy was especial inroaded by self-esteem."] "'Jeff,' says he, 'I don't suppose that anywhere in the world you could find three cormorants with brighter ideas about down-treading the proletariat than the firm of Peters, Satan and Tucker, incorporated."