Synonyms for "substructure" (51 found)

Ranked by relevance and common usage.

Closest matches (11)

Noun(1 words)

base

foundationinfrastructureunderbuildingbasebasementbasisbearing wallbedbeddingbedrock

Strong matches (15)

bottomfloorflooringfondfootingfundamentfundamentalgroundgroundsgroundworkhardpan

Noun(4 words)

footfoundationfundamentgroundwork

Related words (25)

Noun(3 words)

infrastructureunderbuildingunderstructure

pavementpedestalprincipleradicalripraprock bottomrudimentseatsillsolid groundsolid rockstereobatestylobatesubstratumsubstructionsupportterra firmaundercarriageundergirdingunderpinning

Show 2 more words

understructionunderstructure

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

5 relation types

More general

2 entries

structuresupport

Synonyms

3 entries

foundationinfrastructureunderbuilding

Related terms

1 entries

superstructure

derived from

1 entries

structure

related to

10 entries

earthembeddedfoundationgravelorganizationalphysicalrailwaystructuresuperstructuresupporting

Translations

10 translations across 8 languages.

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Bulgarian

2 entries

• основа noun (the supporting part of a structure)
• фундамент noun (the supporting part of a structure)

Czech

2 entries

• spodní stavba noun (the supporting part of a structure)
• železniční spodek noun (the supporting part of a structure)

Finnish

1 entries

• alusrakenne noun (the supporting part of a structure)

French

1 entries

• substructure noun (the supporting part of a structure)

Irish

1 entries

• fostruchtúr noun (the supporting part of a structure)

Latin

1 entries

• substructiō noun (the supporting part of a structure)

Romanian

1 entries

• substructură noun (the supporting part of a structure)

Spanish

1 entries

• subestructura noun (the supporting part of a structure)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.