Synonyms of impermeable

impermeable

adjective

1

as in dense

impossible to get through or into

the wall of security people surrounding the rock band was impermeable

Synonyms & Similar Words

• dense
• impervious
• impenetrable
• impassable
• thick
• close
• sturdy
• impregnable
• impassible
• tight
• compact
• substantial
• compressed
• solid
• frozen
• tough
• rigid
• hard
• condensed
• stiff
• inflexible
• unyielding
• firm
• unbending

Antonyms & Near Antonyms

• permeable
• negotiable
• soft
• passable
• elastic
• penetrable
• flexible
• giving
• porous
• malleable
• pliable
• yielding
• absorbent
• squishy
• bendable

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• permeable
• negotiable
• soft
• passable
• elastic
• penetrable
• flexible
• giving
• porous
• malleable
• pliable
• yielding
• absorbent
• squishy
• bendable

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2

as in tight

not allowing penetration (as by gas, liquid, or light)

an impermeable seal on the ancient tomb had preserved the artifacts exceptionally well

Synonyms & Similar Words

• tight
• impervious
• thick
• impenetrable
• dense
• close
• watertight
• compact
• airtight
• hermetic
• leakproof
• snug
• waterproof
• soundproof
• hermetical
• lightproof

Antonyms & Near Antonyms

• permeable
• porous
• pervious
• penetrable
• absorbent
• leaky
• unsealed

• permeable
• porous
• pervious
• penetrable
• absorbent
• leaky
• unsealed

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