Related Clues:

• Unwilling to budge
• Impossible to move
• Insisting
• Standing pat
• Unwilling to negotiate
• Unshakable
• Utterly unyielding
• Inflexible in attitude
• Insistent
• Unwilling to move
• Stubborn and unyielding
• Hard and unrelenting
• Definite and unyielding
• Positive and unrelenting
• Insistent, inflexible