Synonyms for understructure

Most common

ground-work · foot · foundation · infrastructure

All synonyms

Noun

Antonyms

superstructure, overstructure

All antonyms of understructure →

Definitions

1. n. 1

   The supporting structure underneath something, such as a vehicle or bridge.

   Holonym: infrastructure (facilities sense)

Forms

Plural

understructures → ground-works, bases, foundations, infrastructures…

Example sentences

• foot It takes you an hour to go to the station on foot.
• foundation She lives at the Gorilla Foundation in California.
• infrastructure Algeria should improve its creaking infrastructure.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

4 letters

base¹, foot¹

9 letters

fundament

10 letters

foundation³

12 letters

underpinning⁴, substructure

14 letters

infrastructure⁴

The small number after each word is its number of syllables (foundation³ = 3 syllables).