Brightly-coloured is a phrase that describes something that is vivid, bold, and eye-catching. There are many synonyms for this phrase that can be used to describe things that are colourful in different ways. Some examples include vibrant, colourful, vivid, striking, bold, brilliant, intense, alive, electrifying, eye-popping, and dazzling. Each of these words can be used to describe something that stands out and captures the attention of those who see it. Whether describing a sunset, a flower garden, or a piece of art, these words can help to convey the beauty and excitement of something that is brightly-coloured.