Synonyms of bedrock in English:

bedrock


See definition of bedrock

noun

1‘there was thirty feet of peat on top of the bedrock’

SYNONYMS
substratum, substructure, understructure, solid foundation, base, basis, underpinning, bed, rock bed

2‘Labour's traditional bedrock of support is among the working classes’

SYNONYMS
core, basis, base, foundation, root, roots, heart, backbone, essence, nitty-gritty
informal nuts and bolts