Related Clues:
- Mattress spec
- Inflexible in attitude
- Unwilling to haggle
- Insistent
- With "The," a John Grisham book
- Unwilling to move
- Like some handshakes
- Stubborn and unyielding
- Hard and unrelenting
- Definite and unyielding
- Positive and unrelenting
- Resolute kind of business
- Insistent, inflexible
- Inflexible, obdurate
- Not soft or yielding to pressure