Superlative form of vulgar: most vulgar.(adjective)
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Use "vulgarest" in a sentence
"Simply one of the most persistent and thickskinned toadies and one of the vulgarest women Lady R [Rothermere] has ever met and is also a sentimental crank."
"One thing only that she had not been able to remedy betrayed the courtesan fallen very low: her broken nails, which needed time to recover their shape, so much had they been spoiled by the vulgarest household tasks."
"Fling her into the vulgarest materialism of household life; hinder her from cherishing in her heart the mysterious flower of the"