| Main Entry: | impassable |
| Part of Speech: | adjective |
| Definition: | closed |
Synonyms: |
blockaded, forbidden, impenetrable, insurmountable, obstructed, pathless, trackless, untrodden |
| Notes: | impassible is incapable of feeling or suffering; impassable is not capable of being passed |
Antonyms: |
open, passable, traveled |
| Main Entry: | blind |
| Part of Speech: | adjective |
| Definition: | hidden or covered |
Synonyms: |
blocked, closed, closed at one end, concealed, dark, dead-end, dim, disguised, impassable, leading nowhere, obscured, obstructed, secluded, unmarked, without egress, without exit |
Antonyms: |
open, revealed, uncovered |
| Main Entry: | impenetrable |
| Part of Speech: | adjective |
| Definition: | dense |
Synonyms: |
bulletproof, close, compact, firm, hard, hermetic, impassable, impermeable, impervious, inviolable, solid, substantial, thick, unpiercable |
Antonyms: |
clear, penetrable, permeable, porous, soft, thin |
| Main Entry: | impermeable |
| Part of Speech: | adjective |
| Definition: | impenetrable |
Synonyms: |
airtight, dense, hermetic, impassable, impervious, leak-proof, nonporous, sealed, water-resistant, waterproof, watertight |
| Main Entry: | impervious |
| Part of Speech: | adjective |
| Definition: | unable to be penetrated |
Synonyms: |
closed to, hermetic, immune, impassable, impassive, impenetrable, impermeable, imperviable, inaccessible, invulnerable, resistant, sealed, tight, unaffected, unapproachable, unmoved, unpierceable, unreceptive, watertight |
Antonyms: |
exposed, open, penetrable, responsive, sensitive, vulnerable |
| Main Entry: | impossible |
| Part of Speech: | adjective |
| Definition: | beyond the bounds of possibility |
Synonyms: |
absurd, beyond, contrary to reason, cureless, futile, hardly possible, hopeless, hundred-to-one, impassable, impervious, impracticable, impractical, inaccessible, inconceivable, inexecutable, infeasible, insurmountable, irrealizable, irreparable, no-go, no-way, no-win, not a prayer, out of the question, preposterous, too much, unachievable, unattainable, uncorrectable, unfeasible, unimaginable, unobtainable, unreasonable, unrecoverable, unthinkable, unworkable, useless, visionary, way out |
Antonyms: |
achievable, believable, obtainable, possible, reasonable, tenable |
| Main Entry: | inaccessible |
| Part of Speech: | adjective |
| Definition: | out of reach |
Synonyms: |
aloof, away, beyond, distant, elusive, far, far-off, faraway, impassable, impervious, impracticable, insurmountable, not at hand, out-of-the-way, remote, unachievable, unapproachable, unattainable, unavailable, unfeasible, ungettable, unobtainable, unreachable, unrealizable, unworkable |
Antonyms: |
accessible, approachable, reachable |
| Main Entry: | indomitable |
| Part of Speech: | adjective |
| Definition: | steadfast, unyielding |
Synonyms: |
dogged, impassable, impregnable, insuperable, insurmountable, invincible, invulnerable, obstinate, pertinacious, resolute, ruthless, staunch, stubborn, unassailable, unbeatable, unconquerable, undefeatable, unflinching, willful |
Antonyms: |
beatable, conquerable, unstable, weak, yielding |
| Main Entry: | insurmountable |
| Part of Speech: | adjective |
| Definition: | impossible |
Synonyms: |
forget it, hopeless, impassable, impregnable, inaccessible, indomitable, ineluctable, insuperable, invincible, no way, no-win, not a prayer, overwhelming, unbeatable, unconquerable, unmasterable |
Antonyms: |
attainable, beatable, defeatable, possible, surmountable |
| Main Entry: | invincible |
| Part of Speech: | adjective |
| Definition: | indestructible |
Synonyms: |
bulletproof, impassable, impregnable, indomitable, insuperable, inviolable, invulnerable, irresistible, powerful, strong, unassailable, unattackable, unbeatable, unconquerable, undefeatable, unsurmountable, untouchable, unyielding |
Antonyms: |
beatable, breakable, conquerable, destructible |