adamant (n.)
adamant (adj.)
- adamantine
- cast-iron
- dour
- firm
- flinty
- frozen
- granitelike
- granitic
- grim
- hard
- hard-core
- immobile
- immotile
- immovable
- immutable
- implacable
- inelastic
- inexorable
- inextensible
- inflexible
- intractable
- intransigent
- iron
- irreconcilable
- irremovable
- lithic
- obdurate
- pat
- relentless
- rigid
- rigorous
- rock-ribbed
- slaty
- standpat
- stationary
- steely
- stern
- stiff
- stone
- stubborn
- unaffected
- unalterable
- unbending
- unchangeable
- uncompromising
- unmalleable
- unmovable
- unmoved
- unmoving
- unrelenting
- unyielding
But who would force the soul tilts with a straw
Against a champion cased in adamant.