100 Best Synonyms for “Fundamental”

100 Best Synonyms for

No. Item Definition
1. abecedarian elementary or beginner-level
2. all-important most important of all
3. animating giving essential energy or life
4. at the heart of at the central point of
5. at the root of at the basic cause of
6. axiomatic obviously true as a basic principle
7. backbone main supporting strength
8. basal forming a base
9. base forming the bottom support
10. basic forming the main foundation
11. basis underlying support or reason
12. bedrock most basic supporting part
13. benchmark standard point for comparison
14. big-picture focused on the main essentials
15. capital chief or principal
16. cardinal of greatest importance
17. central most important or main
18. chief highest in importance
19. constitutive forming an essential part
20. core at the center or heart
21. critical extremely important
22. crucial extremely important or decisive
23. decisive settling an issue importantly
24. deep-rooted firmly established at the base
25. deep-seated firmly fixed and basic
26. determinative deciding the outcome
27. dominant most influential or central
28. driving providing the main force
29. elemental relating to basic parts
30. elementary dealing with the simplest basics
31. essential absolutely necessary or central
32. fabric basic structure of something
33. first principles most basic truths or assumptions
34. first-order of highest basic importance
35. foremost most important or first
36. foundational serving as a base
37. framework basic supporting structure
38. governing serving as the main guide
39. grassroots at the most basic level
40. ground-floor at the earliest basic stage
41. ground-level at the basic level
42. imperative urgently necessary
43. indispensable too important to do without
44. infrastructure basic underlying systems
45. inherent existing as a basic quality
46. innate present from the beginning
47. integral necessary to make whole
48. intrinsic belonging naturally and essentially
49. irreducible unable to be simplified further
50. key crucially important
51. keystone central supporting element
52. leading most important or prominent
53. life-and-death of utmost importance
54. linchpin person or thing holding all together
55. lowest-level at the simplest level
56. main most important or chief
57. major important or significant
58. mandatory required by rule or need
59. material important and relevant
60. mission-critical essential for operation or success
61. momentous very important
62. must-have absolutely necessary item or feature
63. native natural or inborn
64. necessary needed or required
65. needful necessary or required
66. nonnegotiable not open to omission
67. nuts and bolts basic practical details
68. obligatory required by duty or rule
69. of the essence absolutely central and urgent
70. operative currently working as the main factor
71. organic natural and essential to structure
72. overarching covering the main whole
73. paramount more important than anything else
74. part and parcel an essential involved part
75. pivotal centrally important to development
76. primary first in importance
77. prime first in rank or importance
78. primitive very basic or undeveloped
79. principal chief or most important
80. requisite officially or practically required
81. root source or basic cause
82. rudimentary basic and not advanced
83. rule-of-thumb basic practical guideline
84. scaffolding supporting basic structure
85. sine qua non an essential condition
86. skeleton basic underlying structure
87. stripped-down reduced to basic parts
88. structural forming the main framework
89. substantive having real importance or substance
90. substructure underlying supporting structure
91. systemic affecting the whole system
92. texture basic character or structure
93. top highest in importance
94. touchstone basic standard for judgment
95. unavoidable not able to be avoided
96. underlying lying beneath the surface
97. warp and woof basic structure or substance
98. weighty important and serious
99. whole-system involving the entire system
100. yardstick basic standard of measurement