Synonyms for Impermeable:

• adj.

  •airtight (adjective)
  • most shut,
  • more shut.
  •all (adjective)
  • impermeable.
  •close (adjective)
  • neck and neck,
  • close-grained.
  •compact (adjective)
  • more compressed,
  • most appressed,
  • most compressed,
  • most bunched,
  • more bunched,
  • more appressed.
  •dense (adjective)
  • impenetrable.
  •firm (adjective)
  • more jelled,
  • in elastic,
  • more finegrained,
  • more nonporous,
  • finegrained,
  • most congealed,
  • most jelled,
  • non-porous,
  • more concrete,
  • in-elastic,
  • more fine grained,
  • most finegrained,
  • fine grained,
  • more solidified,
  • most nonporous,
  • more fine-grained,
  • most solidified,
  • most fine grained,
  • un-yielding,
  • un yielding,
  • most fine-grained,
  • non porous,
  • more congealed.
  •impenetrable (adjective)
  • impassable,
  • sealed,
  • leak-proof,
  • water-resistant,
  • hermetic,
  • dense.
  •impervious (adjective)
  • in-accessible,
  • un-moved,
  • more imperviable,
  • un approachable,
  • most watertight,
  • un pierceable,
  • in-vulnerable,
  • unapproachable,
  • most unreceptive,
  • in accessible,
  • most imperviable,
  • un affected,
  • most unpierceable,
  • more unpierceable,
  • un-pierceable,
  • un receptive,
  • un-approachable,
  • un-receptive,
  • more unreceptive,
  • more watertight,
  • in vulnerable.
  •incompressible (adjective)
  • in-compressible,
  • in compressible.
  •neck and neck (adjective)
  • nip tuck,
  • neck neck.
  •tight (adjective)
  • Slammed,
  • skintight,
  • stopped up,
  • proofer,
  • Padlocked.
  •waterproof (adjective)
  • most rainproof,
  • more rainproof.

• n.

  •
  • harsh,
  • absorbent.
  •impermeable (noun)
  • rubber,
  • rubberised,
  • rubberized,
  • water-repellent.

• Other synonyms:

  •
  • impure,
  • photosensitive,
  • permeable,
  • porous,
  • soluble,
  • stiff,
  • uncut,
  • solid,
  • astringent,
  • water-soluble.
  •
  • volatile.
  •Other relevant words:
  • cloudy,
  • non-translucent,
  • hermetically sealed,
  • incomprehensible,
  • Obfuscated,
  • resistant,
  • blurred,
  • imperforate,
  • solidified,
  • massive,
  • fast,
  • Crammed,
  • gnarled,
  • turbid,
  • slicker,
  • non-transparent,
  • lumpish,
  • oilskin,
  • serried,
  • raincoats,
  • cagoule,
  • compressed,
  • jammed,
  • Compacted,
  • mackintosh,
  • clouded,
  • Crystallizable,
  • unpassable,
  • cohesive,
  • heavy,
  • proof,
  • costive,
  • Wayless,
  • closed,
  • retentive,
  • cold,
  • coherent,
  • Imporous,
  • caseous,
  • pathless,
  • jam-packed,
  • Invious,
  • unpierced,
  • mack,
  • viscous,
  • secured,
  • thick,
  • dark,
  • formal,
  • packed,
  • hard,
  • concrete,
  • raincoat,
  • Untransparent,
  • smoky,
  • inaccessible,
  • viscid,
  • anesthetic,
  • secure,
  • stuffy,
  • untrod,
  • black,
  • substantial,
  • murky,
  • close-knit,
  • untrodden,
  • pukka,
  • impassive,
  • gluey,
  • constipated,
  • closable,
  • muddy,
  • Obscured,
  • close-woven,
  • viscose,
  • thickset,
  • concentrated,
  • crowded,
  • fixed,
  • opaque,
  • grumous,
  • mackintoshes,
  • condensed,
  • inviolable,
  • caecal,
  • crystalline,
  • rainproof,
  • dim,
  • mac,
  • obscure,
  • knotted,
  • knotty,
  • close-textured,
  • blurry,
  • close-fitting,
  • congested,
  • consolidated,
  • hazy,
  • snug.

Paraphrases for Impermeable:

• Equivalence

  • Adjective
    impervious, water-resistant.

• Independent

  • Adjective
    leakproof.

• Other Related

  • Adjective
    waterproof, weatherproof, resistant.
  • Noun, singular or mass
    waterproof, raincoat, rain.

Antonyms for Impermeable:

• adj.

  • all
    permeable.
  • Other antonyms:
    malleable, soft, flexible, giving, negotiable, unsealed, semipermeable, leaky, elastic, pliable, pervious, absorbent, bendable, passable, squishy, yielding, porous, penetrable.