Definitions

1. adjective

superlative form of ‘witty’, indicating the greatest or most extreme degree of wit or cleverness

“He was considered the withiest person at the comedy club, always delivering the punchlines.”

2. superlative adjective

superlative form of ‘wet’, indicating the greatest or most extreme degree of moisture or dampness

“The withiest patch of grass in the garden was perfect for a picnic.”