present participle of underlie
1Significant as a cause or basis of something but not necessarily manifest or obvious.‘the flu can be particularly severe for the elderly and those with underlying conditions’
fundamental, basic, basal, primary, prime, first, cardinal, central, principal, chief, key, elementary, elemental, rudimentary, root, intrinsic, essentialView synonyms
- ‘guaranteeing more dollars may temporarily ease their troubles but will not alleviate the underlying causes of their poverty’
- ‘underlying problems need to be addressed’
2Lying or situated under something.
- ‘the underlying muscles of the face’
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