The Collaborative International Dictionary of English v.0.48:

vivid \viv"id\ (v[i^]v"[i^]d), a. [L. vividus, from vivere to
   life; akin to vivus living. See Quick, a., and cf.
   Revive, Viand, Victuals, Vital.]
   1. True to the life; exhibiting the appearance of life or
      freshness; animated; spirited; bright; strong; intense;
      as, vivid colors.
      [1913 Webster]

            In dazzling streaks the vivid lightnings play.
                                                  --Cowper.
      [1913 Webster]

            Arts which present, with all the vivid charms of
            painting, the human face and human form divine.
                                                  --Bp. Hobart.
      [1913 Webster]

   2. Forming brilliant images, or painting in lively colors;
      lively; sprightly; as, a vivid imagination.
      [1913 Webster]

            Body is a fit workhouse for sprightly, vivid
            faculties to exercise . . . themselves in. --South.
      [1913 Webster]

   Syn: Clear; lucid; bright; strong; striking; lively; quick;
        sprightly; active.
        [1913 Webster] -- viv"id*ly, adv. -- viv"id*ness, n.
        [1913 Webster]

WordNet (r) 3.0 (2006):

vivid
    adj 1: evoking lifelike images within the mind; "pictorial
           poetry and prose"; "graphic accounts of battle"; "a
           lifelike portrait"; "a vivid description" [syn:
           graphic, lifelike, pictorial, vivid]
    2: having the clarity and freshness of immediate experience; "a
       vivid recollection"
    3: having striking color; "bright dress"; "brilliant
       tapestries"; "a bird with vivid plumage" [syn: bright,
       brilliant, vivid]
    4: (of color) having the highest saturation; "vivid green";
       "intense blue" [syn: intense, vivid]

Moby Thesaurus II by Grady Ward, 1.0:

174 Moby Thesaurus words for "vivid":
   active, acute, aggressive, agog, alacritous, alive, all agog,
   animate, animated, anxious, apish, avid, bedazzling, blinding,
   brave, breathless, bright, bright and shining, bright-hued,
   brilliant, brisk, burning, bursting to, clear, colorful, colory,
   creative, dazzling, deep-colored, delineative, delineatory,
   depictive, descriptive, desirous, detailed, distinct, dramatic,
   dynamic, eager, echoic, effulgent, eidetic, eloquent, embodying,
   enduring, energetic, enliven, enterprising, enthusiastic, excite,
   excruciating, exotic, expositive, expressive, exquisite, extreme,
   faithful, fecund, fertile, figurative, flamboyant, flaming,
   forceful, forcible, forward, fresh, fruitful, fulgent, fulgid,
   full of life, full of pep, galvanize, garish, gay, gay-colored,
   give life to, glaring, glary, glowing, go-go, gorgeous, graphic,
   green, hearty, high-colored, ideographic, illustrational,
   illustrative, imaginative, imitative, impatient, impetuous,
   incarnating, incisive, intense, inventive, keen,
   kept in remembrance, kinetic, lasting, lifelike, limning, lively,
   liven, living, lucid, lusty, meaningful, memorable, mettlesome,
   mimetic, mimish, naturalistic, onomatopoeic, panting, peppy,
   personifying, photographic, pictographic, pictorial, picturesque,
   poignant, powerful, prolific, quick, raring to, ready,
   ready and willing, realistic, recalled, recollected, refresh,
   refulgent, remembered, renew, representational, representative,
   representing, resplendent, restore, retained, rich, rich-colored,
   robust, sharp, simulative, smacking, snappy, spanking, spirited,
   splendent, splendid, splendorous, strenuous, striking, strong,
   suggestive, symbolizing, take-charge, take-over, theatrical,
   trenchant, true to life, typifying, unforgotten, vibrant, vigorous,
   vital, vivacious, vivify, well-drawn, zestful, zesty, zippy



The Free On-line Dictionary of Computing (30 December 2018):

VIVID

   A numerical constraint-oriented language.

   ["VIVID: The Kernel of a Knowledge Representation Environment
   Based on the Constraints Paradigm of Computation", J. Maleki,
   Proc 20th Annual Hawaii Intl Conf on System Sciences (Jan
   1987) pp.591-597].

   (1995-02-23)