Related Clues:

• Undefined penalty
• What, who, how or where follower
• 'Anything ___?'
• Alternatively
• Further
• Except if
• Word in a threat
• Ultimatum ending
• 'If all ___ fails ...'
• Last word in an ultimatum
• Ominous alternative
• ''What --- is new?''
• ''So what --- is new?''
• On the other hand
• A veiled threat (with ''or'')