0 in the style of a cartoon (= a simple, usually humorous drawing made using lines):
The book features simple, cartoonish drawings and fold-over flaps that the child can lift.
Lichtenstein was celebrated for his vivid, cartoonish pictures, some of which became iconic posters.
He was a much more complex character than your cartoonish description suggested.
Their views about the United States are informed by cartoonish stereotypes.
The fact that they were cartoonish line drawings made them easy to reproduce.
The cover depicts cartoonish children being blown by a powerful wind.
The novel paints a vivid - if at times cartoonish - students'-eye view of campus culture.
It is a somewhat cartoonish depiction of Europe (as Venus, to the United States' Mars).
A common criticism of the novelist is that his characters are "cartoonish".