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
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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v 1: describe roughly or briefly or give the main points or summary of; "sketch the outline of the book"; "outline his ideas" [syn: sketch, outline] 2: give to understand; "I insinuated that I did not like his wife" [syn: intimate, insinuate]

Source: WordNet ® 2.0, © 2003 Princeton University