mystify /misˈti-fī/

1. To make mysterious, obscure, or secret
2. To involve in mystery
3. To bewilder
4. To puzzle
5. To hoax

mystificāˈtion noun

mysˈtifier noun

1. Someone who or that which mystifies
2. A hoaxer

mysˈtifying adjective

• cost efficiency
• cost-efficient
• coster
• costermonger
• costermongers
• costers
• costes
• cost-free
• costing
• costive
• costively
• costiveness
• costivenesses
• costlier
• costliest
• costliness
• costlinesses
• costly
• costmaries
• costmary
• cost of living
• cost of living index
• cost plus
• cost-plus
• cost price