1. Anything promoting stupefaction; a narcotic

1. Producing stupefaction; stupefactive

Derived forms: stupefacients

• uncorrectable
• uncorrected
• uncorrelated
• uncorroborated
• uncorrupted
• uncountable
• uncountable noun
• uncounted
• uncouple
• uncoupled
• uncousinly
• uncouth
• uncouthly
• uncouthness
• uncover
• uncovered
• uncovering
• uncrannied
• uncrate
• uncreased
• uncreative
• uncreativeness
• uncritical
• uncritically
• uncropped