subgrade (0 synonym found)

We don't have synonyms for subgrade yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are upgrade, sunglade and subgame.

We don't have any synonyms for subgrade yet.

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upgrade  ·  sunglade  ·  subgame  ·  suberate  ·  subtrude  ·  subgraph

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Definition of subgrade:

(n) : The layer of native soil on which the foundation of a road is laid.
Definition of subgrade:

(n) : The layer of native soil on which the foundation of a road is laid.
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