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100 Best Synonyms for “Impossible”

November 1, 2026

100 Best Synonyms for

No. Item Definition
1. absurd wildly unreasonable or impossible
2. at a standstill completely unable to proceed
3. at an impasse stuck with no solution
4. barred prevented or not allowed
5. beyond hope without any real chance
6. beyond possibility outside what can happen
7. beyond reach unable to be obtained
8. beyond recovery unable to be restored
9. beyond redemption unable to be saved
10. beyond repair unable to be fixed
11. beyond saving unable to be rescued
12. blocked prevented from happening
13. boxed in restricted with no way out
14. can’t be done not able to be accomplished
15. closed off made inaccessible or impossible
16. cooked ruined with no chance
17. cornered left with no options
18. cut off separated and unable to continue
19. daunting intimidatingly difficult
20. dead end leading to no solution
21. dead in the water unable to proceed at all
22. deadlocked stuck with no progress
23. done for beyond rescue or recovery
24. doomed certain to fail
25. excluded left out as impossible
26. fantastic so extreme as unbelievable
27. far-fetched too unlikely to be true
28. finished ended with no hope
29. fixed not able to be changed
30. forbidden not allowed to happen
31. formidable very difficult to overcome
32. futile incapable of producing success
33. gridlocked blocked with no movement
34. hampered made difficult or impossible
35. hemmed in confined and unable to proceed
36. Herculean requiring enormous effort
37. hopeless having no chance of success
38. impracticable not able to be carried out
39. incurable unable to be cured
40. indefensible unable to be justified
41. ineluctable unable to be avoided
42. inescapable unable to be avoided
43. insurmountable too great to overcome
44. intractable hard to control or solve
45. irreconcilable unable to be made compatible
46. irremediable unable to be corrected
47. irreparable unable to be fixed
48. jammed stuck and unable to proceed
49. kaput broken and unusable
50. locked out prevented from entering or joining
51. lost cause something with no hope
52. ludicrous laughably unreasonable or impossible
53. marooned left isolated and helpless
54. monumental extremely difficult or large
55. no chance there is no possibility
56. no-go not possible or allowed
57. nonnegotiable not open to change
58. nonviable not capable of success
59. not feasible not practical or possible
60. not happening definitely not going to occur
61. not on not acceptable or possible
62. not possible unable to happen or exist
63. out of bounds not allowed or possible
64. out of reach unable to be obtained
65. out of the question completely not possible
66. overwhelming too great to handle
67. paralyzed unable to act or move
68. pinned down unable to move or change
69. pipe dream unrealistic impossible hope
70. preposterous ridiculously unlikely or impossible
71. prevented stopped from happening
72. prohibited officially not allowed
73. prohibitive so great as to prevent
74. refractory stubbornly resistant to control
75. ridiculous so unreasonable as impossible
76. ruled out excluded as not possible
77. sealed decided beyond reversal
78. set in stone fixed and not changeable
79. shut out kept from participating
80. stalemated stuck with no resolution
81. stopped cold halted completely
82. stranded left unable to proceed
83. stuck unable to move forward
84. sunk ruined beyond recovery
85. trapped unable to escape or proceed
86. unachievable not able to be achieved
87. unattainable not able to be reached
88. undoable not able to be done
89. unfeasible not capable of being done
90. unrealizable not able to be made real
91. unsolvable not able to be solved
92. untenable unable to be maintained
93. unviable not capable of succeeding
94. unworkable not practical or workable
95. uphill very difficult to achieve
96. without a prayer with virtually no chance
97. without hope having no chance of success
98. without recourse with no available solution
99. without remedy unable to be corrected
100. written in stone fixed and unchangeable

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