impenetrability

• POS: Noun
• HYPHEN: im=pen=e=tra=bil=i=ty

CIDE DICTIONARY

impenetrability, n. [Cf. F. impénétrabilité.].

•  Quality of being impenetrable.  [1913 Webster]
•  That property in virtue of which two portions of matter can not at the same time occupy the same portion of space.  [1913 Webster]
•  Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness.  [1913 Webster]

ROGET THESAURUS

impenetrability

Density

N density, solidity, solidness, impenetrability, impermeability, incompressibility, imporosity, cohesion, constipation, consistence, spissitude, specific gravity, hydrometer, areometer, condensation, caseation, solidation, solidification, consolidation, concretion, coagulation, petrification, crystallization, precipitation, deposit, precipitate, inspissation, gelation, thickening, indivisibility, indiscerptibility, insolubility, indissolvableness, solid body, mass, block, knot, lump, concretion, concrete, conglomerate, cake, clot, stone, curd, coagulum, bone, gristle, cartilage, casein, crassamentum, legumin, superdense matter, condensed states of matter, dwarf star, neutron star, dense, solid, solidified, caseous, pukka, coherent, cohesive, compact, close, serried, thickset, substantial, massive, lumpish, impenetrable, impermeable, nonporous, imporous, incompressible, constipated, concrete, knotted, knotty, gnarled, crystalline, crystallizable, thick, grumous, stuffy, undissolved, unmelted, unliquefied, unthawed, indivisible, indiscerptible, infrangible, indissolvable, indissoluble, insoluble, infusible.