rock-hard synonyms

Trying to find another word for rock-hard in English? No problem. Our thesaurus contains synonyms of rock-hard in 6 different contexts. We have listed all the similar and related words for rock-hard alphabetically.

• adamant
• firm
• hardheaded
• implacable
• incompliant
• inexorable
• inflexible
• intransigent
• mulish
• obdurate

• cruel
• firm
• hard
• inflexible
• rigid
• steely
• stony
• unsympathetic
• unyielding

• bulletproof
• close
• compact
• firm
• hard
• hermetic
• impassable
• impermeable
• impervious
• inviolable

• abiding
• deathless
• durable
• enduring
• everlasting
• immortal
• immutable
• imperishable
• incorruptible
• indelible

• brawny
• cohesive
• conditioned
• dense
• durable
• fibrous
• firm
• fit
• flinty
• hard

• adamantine
• armored
• brass-bound
• durable
• everlasting
• firm
• incorruptible
• indestructible
• infrangible
• invulnerable

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• rock-ribbed
• rock-solid
• rockabillies
• rockabilly
• rockbottom