- to lie under or beneath; be situated under.
- to be at the basis of; form the foundation of.
- to function as the root morpheme or original or basic form of (a derived form): The form “boy” underlies “boyish.”
- to be primary to another right or security.
- to lie or be placed under or beneath
- to be the foundation, cause, or basis of
- to take priority over (another claim, liability, mortgage, etc)
- to be the root or stem from which (a word) is derived
