1. Hasty and without attention to detail; not thorough
   "a perfunctory inspection failed to reveal the house's structural flaws"; "perfunctory courtesy"
   - casual, cursory, passing 
2. As a formality only
   - pro forma

See also: careless, formal, perfunctorily

• picture frame
• picture gallery
• picture hat
• picture palace
• picture plane
• picture postcard
• picture rail
• picture show
• picture taking
• picture tube
• picture window
• picture writing
• pictured
• picturesque
• picturesquely
• picturesqueness
• picturing
• picturise
• picturize
• picul
• piculet
• Picumnus
• Picus
• Picus viridis
• PID