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Meaning of IMPENETRABLE

Pronunciation:  im'penitrubul

 
WordNet Dictionary
 
 Definition: 
  1. [adj]  impossible to understand; "impenetrable jargon"
  2. [adj]  not admitting of penetration or passage into or through; "an impenetrable fortress"; "impenetrable rain forests"
  3. [adj]  permitting little if any light to pass through because of denseness of matter; "dense smoke"; "heavy fog"; "impenetrable gloom"
 

IMPENETRABLE is a 12 letter word that starts with I.

 

 Synonyms: dense, heavy, incomprehensible, thick, uncomprehensible
 
 Antonyms: penetrable
 

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Im*pen"e*tra*ble\, a. [L. impenetrabilis; pref.
im- not + penetrabilis penetrable: cf. F.
imp['e]n['e]trable.]
1. Incapable of being penetrated or pierced; not admitting
   the passage of other bodies; not to be entered;
   impervious; as, an impenetrable shield.

         Highest woods impenetrable To star or sunlight.
                                               --Milton.

2. (Physics) Having the property of preventing any other
   substance from occupying the same space at the same time.

3. Inaccessible, as to knowledge, reason, sympathy, etc.;
   unimpressible; not to be moved by arguments or motives;
   as, an impenetrable mind, or heart.

         They will be credulous in all affairs of life, but
         impenetrable by a sermon of the gospel. --Jer.
                                               Taylor.

 
Thesaurus Terms
 
 Related Terms: ambiguous, arcane, beyond reach, beyond understanding, cabalistic, close, closed forever to, closed to, close-knit, close-textured, close-woven, compact, compacted, compressed, concentrated, concrete, condensed, congested, consolidated, crammed, crammed full, crowded, dense, exuberant, firm, flourishing, gluey, Greek to one, gross, hard, heavy, holeproof, impassable, impermeable, impervious, impregnable, inaccessible, inarticulate, incognizable, incoherent, incomprehensible, incontestable, indomitable, inexpugnable, inscrutable, insuperable, invincible, inviolable, invulnerable, irresistible, jammed, jam-packed, jungled, jungly, lost to, lush, luxuriant, massive, mystic, nonporous, nonpuncturable, numinous, out of reach, overgrown, overpowering, overrun, overwhelming, packed, past comprehension, punctureproof, rambling, rank, resistless, riotous, serried, solid, substantial, thick, thick-growing, thickset, unaccessible, unaccountable, unapproachable, unassailable, unattainable, unavailable, unbeatable, un-come-at-able, unconnected, unconquerable, undiscoverable, unfathomable, ungettable, ungraspable, unguessed, unintelligible, unknowable, unobtainable, unpassable, unperforable, unpierceable, unprocurable, unreachable, unsearchable, unsecurable, unsubduable, unsurmountable, unweeded, unyielding, viscid, viscose, viscous, weed-choked, weed-ridden, weedy
 

 

 

 

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