adumbrate - Definitions from Dictionary.com:

adumbrate (AD-uhm-brayt; uh-DUHM-) transitive verb

1. To give a sketchy outline of.
2. To prefigure indistinctly; foreshadow.
3. To disclose partially or guardedly.
4. To overshadow; shadow or obscure.

Source: The American Heritage® Dictionary of the English Language, Fourth Edition
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