Want to say impermeable differently? Here are other words for impermeable and its similar synonyms and opposite words to say in unique way.
Meaning of impermeable
The primary meaning of the word "impermeable" is something that does not allow fluid to pass through.
Etymology of impermeable
The word "impermeable" comes from the prefix "im-" meaning "not" and "permeable" from the Latin "permeare" meaning "to pass through"
 Historically, the term has been used in various scientific and technical contexts to describe materials or surfaces that prevent the passage of fluids or gases
Synonyms
                                                impervious
                                                                        waterproof
                                                                        watertight
                                                                        airtight
                                                                        sealed
                                                                        tight
                                                                        hermetic
                                                                        leakproof
                                                                        resistant
                                                                        proof
                                                                        nonporous
                                                                        solid
                                                                        dense
                                                                        compact
                                                                        imperforate
                                                                        unbroken
                                                                        continuous
                                                                        uninterrupted
                                                                        nonpermeable
                                                                        impassable
                                                                        impenetrable
                                                                        unbreachable
                                                                        secure
                                                                        tight
                                                                        closed
                                                                        shut
                                                                        blocked
                                                                        obstructed
                                                                        sealed off
                                                                        locked
                                                                        fastened
                                                                        impregnable
                                                                        invulnerable
                                                                        unassailable
                                                            
            Definitions
- Unable to be permeated or penetrated, especially by a liquid or gas
 - Not allowing fluid to pass through
 - Resistant to the passage of a fluid, especially a liquid
 
Usage Examples
- The impermeable membrane prevented the bacteria from passing through
 - The new impermeable coating made the fabric completely waterproof
 - The impermeable container was designed to store hazardous materials safely
 
Antonyms
                                                permeable
                                                                        porous
                                                                        leaky
                                                                        gaping
                                                                        open
                                                                        punctured
                                                                        breached
                                                                        vulnerable
                                                                        susceptible
                                                                        penetrable
                                                                        fragile
                                                                        weak
                                                                        fragile
                                                                        cracked
                                                                        broken
                                                                        damaged
                                                                        compromised
                                                                        exposed
                                                                        uncovered
                                                                        unsealed
                                                                        ajar
                                                                        open-ended