资料来源 : Webster's Revised Unabridged Dictionary (1913)

Unparented \Un*par"ent*ed\, a.
   Having no parent, or no acknowledged parent. [R.]

资料来源 : WordNet®

unparented
     adj : having no parent or parents or not cared for by parent
           surrogates [syn: {parentless}] [ant: {parented}]