If something is showily, it is done in a way that tries to get a lot of attention, often with bright colors or fancy decorations.
The word showily can make people think of someone who wants to be noticed or who is trying too hard to impress others.
Examples:
She dressed showily in a bright pink dress.
The peacock walked showily with its feathers spread out.
He showily showed off his new car to everyone.
The cat walked showily across the room, trying to get attention.
The clown showily juggled colorful balls to impress the audience.
The magician showily pulled a rabbit out of his hat to surprise everyone.