No. It is neither vivid nor an adjective; it is the simple past tense form of a descriptive verb.
To be an adjective, it has to modify a noun; to be vivid, it has to create a striking picture in the reader's imagination. 'Walked' does neither.
An example of a vivid adjective would be 'rushing', as in rushing ants: it modifies the (plural) noun 'ants' and gives the reader a mental picture of an ant colony darting about at random.
The word "vivid" is an adjective.
Viva, Vivacious, lively, vivid.
yes
No, it is not. It is the adverb form of the adjective vivid (bright, clear).
Magnificent is not a verb, it is an adjective, but it would qualify as "vivid", yes.
adjective: awesome
Ginormous is not a verb. It is an adjective.
No, it is an adjective. It can mean clear, distinct, or bright.
stomped
Not really, try the most ambrosial.
The word "graphic" can be both a noun and an adjective. As a noun, it refers to a visual representation. As an adjective, it describes something vivid and explicit.
The root word of "vivid" is "viv," which comes from the Latin word "vivere" meaning "to live." The suffix "-id" is added to form the adjective "vivid," which means clear, intense, or lively.