stultify /stulˈti-fī/

1. To dull the mind of
2. To cause to appear foolish or ridiculous
3. To destroy the force of, as by self-contradiction
4. To allege or prove to be of unsound mind (law)

stultifīcāˈtion noun

• undenominational
• undenominationalism
• undependable
• undependableness
• undepending
• undeplored
• undepraved
• undepreciated
• undepressed
• undeprived
• under
• under-
• underachieve
• underachieved
• underachievement
• underachiever
• underachievers
• underachieves
• underachieving
• under a cloud
• underact
• underacted
• underacting
• underaction
• underactions