boutonniered en · ADJ
Etymology
From boutonniere + -ed.
Meanings
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(not-comparable) Wearing a boutonniere.
Standing amid a crowd of about 80 parents, siblings and grandparents, they snapped pictures and whooped appreciatively as their white friends — blow-dried, boutonniered and glittering in a way that only high-school seniors can — did their “senior walk,” parading in elegant pairs into the prom.
2009 May 24, Sara Corbett, “A Prom Divided”, in New York Times: