bedrock Synonyms

fundamentals fundamental principle basic principle basics rudiment underpinning underprop rudiments infrastructure focussing seabed igneous rock underlayer underbuilding tuff sarsen schist scoria stereobate stone stylobate Substrata substratum substruction substructure talus living rock cornerstone alpha and omega bottommost mecca nuts and bolts essentials pudding stone rallying point root system saprolite siltstone foundations all-time low rock bottom life-or-death depths infielder grounds understructure meat and potatoes sickbed riverbed sedimentary rock