siblingless

English

Etymology

sibling +‎ -less

Adjective

siblingless (not comparable)

1. Without siblings.
   • 2007 February 11, Liesl Schillinger, “And Baby Makes Three”, in New York Times‎^[1]:

     For Betty Rollin, a memoirist who grew up in Yonkers, being siblingless meant that she was pampered, adored and showered with gifts.

Hypernyms

• brotherless
• sisterless