ad·um·brate 
(
ăd
əm-br
āt
′,
ə-d
ŭm
-)
tr.v. ad·um·brat·ed,
ad·um·brat·ing,
ad·um·brates 1. To give a sketchy outline of.
2. To prefigure indistinctly; foreshadow.
3. To disclose partially or guardedly.
4. To overshadow; shadow or obscure.
[Latin adumbrāre, adumbrāt-, to represent in outline : ad-, ad- + umbra, shadow.]
ad′um·bration n.
ad·umbra·tive (ə-dŭmbrə-tĭv) adj.
ad·umbra·tive·ly adv.