ADUMBRATE
intimate, adumbrate, insinuate
(verb) give to understand; “I insinuated that I did not like his wife”
sketch, outline, adumbrate
(verb) describe roughly or briefly or give the main points or summary of; “sketch the outline of the book”; “outline his ideas”
Source: WordNet® 3.1
Etymology
Verb
adumbrate (third-person singular simple present adumbrates, present participle adumbrating, simple past and past participle adumbrated)
To foreshadow vaguely.
To give a vague outline.
To obscure or overshadow.
Source: Wiktionary
Ad*um"brate, v. t. Etym: [L. adumbratus, p. p. of adumbrare; ad +
umbrare to shade; umbra shadow.]
1. To give a faint shadow or slight representation of; to outline; to
shadow forth.
Both in the vastness and the richness of the visible universe the
invisible God is adumbrated. L. Taylor.
2. To overshadow; to shade.
Source: Webster’s Unabridged Dictionary 1913 Edition