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

Overanxious \O"ver*anx"ious\, a.
   Anxious in an excessive or needless degree. --
   {O"ver*anx"ious*ly}, adv.

资料来源 : WordNet®

overanxious
     adj : anxious or nervous to an excessive degree