un breakable (adjective) unbreakable: strong, tough
Sinonime: adamantine, armored, brass-bound,
durable,
everlasting,
firm, incorruptible,
indestructible, infrangible, invulnerable,
lasting, nonbreakable, perdurable,
resistant,
rugged, shatterproof,
solid,
tight, toughened, unshakable,
unyieldingAntonime: breakable,
delicate,
fragile,
weak