understructure

Plural: understructures

Noun

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

Origin / Etymology

From under- + structure.

Synonyms

base, foot, foundation, fundament, groundwork, substructure

Antonyms

superstructure#Noun

Scrabble Score: 0

understructure: not valid in Scrabble (US) TWL Dictionary
understructure: not valid in Scrabble (MW) Merriam-Webster Dictionary
understructure: not valid in International Collins CSW Dictionary

Words With Friends Score: 0

understructure: not valid in Words With Friends