Related Clues:

• Be demanding
• Give no ground
• Not give an inch
• Put a foot down
• Refuse to budge
• Won't take no for an answer
• Not yield
• Take a firm stand
• Refuse to bend
• Be a stickler
• Be adamant
• Not take 'no' for an answer
• Don't take no for an answer
• Continue to assert, maintain
• Persist in pressing