Possible Clues:

• No time for stifling expression of disgust, revealing nothing
• Last character in 24 across is one lonely figure perhaps
• Nothing unusual on thug
• Round figure recorded every so often playing cricket?
• End of equation should = 0
• Pursued switching bridge partner for nothing
• Nothing, zero
• Struggled with name for female nix
• 'One point' is constrained to become 'nil'
• That's horrible, getting negative about love