From Longman Dictionary of Contemporary Englishunseemlyun‧seem‧ly /ʌnˈsiːmli/ adjective formal RUDE/IMPOLITEunseemly behaviour is not polite or not suitable for a particular occasion Ann thought it unseemly to kiss her husband in public.
Examples from the Corpus
unseemly• But a deal with the unionists would be an unseemly affair.• He painted, finally, not the beautiful and rich, but the unseemly and chaotic popular classes.• It was considered unseemly for women to smoke.• Like a sudden, unseemly outbreak of boils on the landscape, the little concrete igloos started popping up in the 1970s.• It felt unseemly, somehow, to speak out on my own behalf.• If closeness is unseemly when money and politics intertwine, it is not always determinative.• Midgely avoids looking at his father's unseemly white chest. 