1.
If you describe memories and descriptions as vivid, you mean that they are very clear and detailed.
People of my generation who lived through World War II have vivid memories of confusion and incompetence...
On Wednesday night I had a very vivid dream which really upset me.
ADJ
• vividly
I can vividly remember the feeling of panic.
ADV: usu ADV with v, also ADV adj
2.
Something that is vivid is very bright in colour.
...a vivid blue sky.
ADJ
• vividly
...vividly coloured birds.
ADV: ADV -ed/adj