Learner's definition of COLORFUL
[more colorful; most colorful]
having a bright color or a lot of different colors
full of color
interesting or exciting
He gave a colorful account of his travels.
She has a colorful [=bright, cheerful] personality.
He was a colorful character. [=a very unusual person]
◊ If you use colorful language you use words that are usually considered rude or offensive.