noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The supporting part of a structure (either physical or organizational; the foundation).
2. 2
   lowest support of a structure wordnet
3. 3
   The earth or gravel that the railway tracks are embedded in.
4. 4
   the basic structure or features of a system or organization wordnet
5. 5
   Synonym of base (“the forces and relations of production that produce the necessities and amenities of life”). Marxism

Synonyms

All synonyms

basefoundationinfrastructureunderbuildingbasebasement

Antonyms

All antonyms

superstructure

Etymology

From sub- + structure.

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