Antonyms for Surefire

Antonyms starting with letter D

• doubtful

  absolutely certain, inevitable
• doubting

  absolutely certain, inevitable
• distrust

  positive assurance
• disapproved

  made certain
• distrustful

  absolutely certain
• doubted

  absolutely certain, inevitable
• dismayed

  absolutely certain
• disbelief

  positive assurance
• doubt

  positive assurance
• dubious

  inevitable