1. Uncertain in purpose or action
   - vacillating, wavering

See also: irresolute, vacillate

• concurrent operation
• concurrently
• concurring
• concurring opinion
• concuss
• concussion
• concussive
• condemn
• condemnable
• condemnation
• condemnatory
• condemner
• condemning
• condensable
• condensate
• condensation
• condensation pump
• condensation trail
• condense
• condensed milk
• condenser
• condenser microphone
• condensing
• condescend
• condescending