Word Study
obumbrate
CIDE DICTIONARY
obumbrate, v. t. [L. obumbratus, p. p. of obumbrare to overshadow, cloud; ob + umbrare to shade.].
To shade; to darken; to cloud. Howell. [1913 Webster]
ROGET THESAURUS
obumbrate
Darkness
VB be dark, darken, obscure, shade, dim, tone down, lower, overcast, overshadow, eclipse, obfuscate, offuscate, obumbrate, adumbrate, cast into the shade becloud, bedim, bedarken, cast a shade, throw a shade, spread a shade, cast a shadow, cast a gloom, throw a shadow, spread a shadow, cast gloom, throw gloom, spread gloom, extinguish, put out, blow out, snuff out, doubt, turn out the lights, douse the lights, dim the lights, turn off the lights, switch off the lights.For further exploring for "obumbrate" in Webster Dictionary Online