Synonyms of unbreakable
- 1 Syllable
- firm, tough, tight
- 2 Syllables
- rugged, tougher, rigid, brass-bound, toughest, solid, lasting
- 3 Syllables
- unyielding, durable, toughened, armored, resistant, steel-plated, shatterproof, unfading
- 4 Syllables
- unshakable, infrangible, nonbreakable, everlasting, perdurable
- 5 Syllables
- irrefragable, irrefrangible, adamantine, nonperishable, incorruptible, unpermissive, indestructible, invulnerable, indivisible
- 6 Syllables
- inexterminable