Substructure (Noun)

Meaning ¹

The basic structure or features of a system or organization.

Classification

Nouns denoting man-made objects.

Synonyms

• Infrastructure

Hypernyms

• Structure

Meaning ²

Lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower".

Classification

Nouns denoting man-made objects.

Synonyms

• Understructure
• Foot
• Base
• Groundwork
• Foundation
• Fundament

Hypernyms

• Support

Hyponyms

• Raft Foundation
• Bed
• Raft
• Mat