Related Clues:

• Did
• Disavowal
• Got just right
• Firmly fixed
• Tackled hard
• ''No'' answer
• Rejection
• ''Not me,'' for one
• Established unmistakably
• Saying it isn't so
• No comment?
• Fastened
• Firmly affixed, in a way
• 'Wasn't me,' e.g.
• Aced