Definitions

1. adjective

superlative form of ‘creative’ or ‘creative’ in the sense of producing new and original things

“She was the creasiest person in her art class, always coming up with unique ideas.”

2. adjective

superlative form of ‘creasy’ or ‘creasy’ in the sense of having a strong desire to be creative

“He was the creasiest kid in the school, always eager to try new art projects.”