1. Not permitting the passage of water
   - waterproof, waterproofed

See also: tight

• programmer
• programming
• programming error
• programming language
• progress
• progress report
• progress to
• progression
• progressional
• progressive
• progressive aspect
• progressive emphysematous necrosis
• Progressive Party
• progressive rock
• progressive tax
• progressive tense
• progressive vaccinia
• progressively
• progressiveness
• progressivism
• progressivity
• progymnosperm
• prohibit
• prohibited
• prohibition