| Main Entry: | insuperable |
| Part of Speech: | adjective |
| Definition: | impassable |
Synonyms: |
impossible, insuperable, insurmountable, overwhelming |
| Notes: | insuperable means impossible to overcome; insupportable means impossible to tolerate |
| 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 |
| Main Entry: | impracticable |
| Part of Speech: | adjective |
| Definition: | unrealistic |
Synonyms: |
impossible, imprudent, infeasible, insuperable, unfeasible, unwise |
| Notes: | impractical means 'not advisable to put into practice' while impracticable means 'not capable of being put into practice'; impractical or unpractical is something that can be done but isn't worth doing while impracticable means it can't be done at all |
Antonyms: |
practicable |
| Main Entry: | unconquerable |
| Part of Speech: | adjective |
| Definition: | insurmountable |
Synonyms: |
impregnable, indefeasible, indomitable, inexpugnable, innate, insuperable, intractable, invincible, invulnerable, irrepressible, resistant, secure, unbeatable, unsurpassable, unyielding |
Antonyms: |
conquerable |