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un-breakable synonyms

Trying to find another word for un-breakable in English? No problem. Our thesaurus contains synonyms of un-breakable in 21 different contexts. We have listed all the similar and related words for un-breakable alphabetically.

  • adamant
  • firm
  • hardheaded
  • implacable
  • incompliant
  • inexorable
  • inflexible
  • intransigent
  • mulish
  • obdurate
  • obstinate
  • opinionated
  • pigheaded
  • bulletproof
  • indestructible
  • invulnerable
  • ironclad
  • protected
  • shielded
  • steel-plated
  • strong
  • unbreakable
  • adamantine
  • armored
  • durable
  • everlasting
  • firm
  • incorruptible
  • indestructible
  • infrangible
  • invulnerable
  • lasting
  • nonbreakable
  • perdurable
  • resistant
  • abiding
  • constant
  • dependable
  • diuturnal
  • enduring
  • fast
  • firm
  • fixed
  • impervious
  • lasting
  • long-continued
  • perdurable
  • perduring
  • abiding
  • amaranthine
  • boundless
  • ceaseless
  • constant
  • continual
  • continuous
  • deathless
  • endless
  • eternal
  • immortal
  • imperishable
  • incessant
  • close
  • close-grained
  • compact
  • compressed
  • concentrated
  • concrete
  • condensed
  • congealed
  • dense
  • fine-grained
  • hard
  • hardened
  • heavy
  • above suspicion
  • imperishable
  • indestructible
  • inextinguishable
  • just
  • loyal
  • moral
  • perpetual
  • persistent
  • pure
  • reliable
  • straight
  • trustworthy
  • abiding
  • deathless
  • durable
  • enduring
  • everlasting
  • immortal
  • immutable
  • imperishable
  • incorruptible
  • indelible
  • indissoluble
  • inexterminable
  • inextinguishable
  • adamantine
  • armored
  • brass-bound
  • durable
  • everlasting
  • firm
  • incorruptible
  • indestructible
  • invulnerable
  • lasting
  • nonbreakable
  • perdurable
  • resistant
  • bulletproof
  • impassable
  • impenetrable
  • impregnable
  • indestructible
  • powerful
  • secure
  • strong
  • unbeatable
  • untouchable
  • abiding
  • constant
  • continual
  • continuing
  • deep-rooted
  • durable
  • endless
  • eternal
  • everlasting
  • forever
  • in for the long haul
  • incessant
  • indelible
  • adamantine
  • armored
  • brass-bound
  • durable
  • everlasting
  • firm
  • incorruptible
  • indestructible
  • infrangible
  • invulnerable
  • lasting
  • perdurable
  • resistant
  • abiding
  • advancing
  • carrying on
  • chronic
  • durable
  • enduring
  • lasting
  • long-lasting
  • long-lived
  • long-standing
  • maintaining
  • old
  • perennial
  • contrary
  • defiant
  • disobedient
  • opposing
  • rebellious
  • unyielding
  • asperous
  • broken
  • coarse
  • craggy
  • difficult
  • furrowed
  • harsh
  • hilly
  • irregular
  • jagged
  • leathery
  • lumpy
  • mountainous
  • adamantine
  • armored
  • brass-bound
  • durable
  • everlasting
  • firm
  • incorruptible
  • indestructible
  • infrangible
  • invulnerable
  • lasting
  • nonbreakable
  • perdurable
  • brick wall
  • close
  • compact
  • compacted
  • concentrated
  • concrete
  • consolidated
  • dense
  • firm
  • fixed
  • heavy
  • hefty
  • hulk
  • bound
  • clasped
  • close-fitting
  • compact
  • constricted
  • contracted
  • cramped
  • crowded
  • dense
  • drawn
  • enduring
  • established
  • fast
  • acclimate
  • acclimatize
  • anneal
  • brutalize
  • climatize
  • develop
  • inure
  • make difficult
  • season
  • strengthen
  • temper
  • abiding
  • adamant
  • firm
  • fixed
  • impregnable
  • inflexible
  • unflappable
  • unsinkable
  • unwavering
  • adamant
  • dead set on
  • determined
  • firm
  • fixed
  • hard
  • hard-core
  • hard-line
  • hard-nosed
  • hardheaded
  • headstrong
  • immalleable
  • immovable

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