under
/ˈən-dər/
adverb
in or into a position below or beneath something
below or short of some quantity, level, or limit —often used in combination
in or into a condition of subjection, subordination, or unconsciousness
preposition
below or beneath so as to be overhung, surmounted, covered, protected, or concealed by
subject to the authority, control, guidance, or instruction of
receiving or undergoing the action or effect of
under sunny skies
adjective
lying or placed below, beneath, or on the ventral side —often used in combination
facing or protruding downward —often used in combination
lower in rank or authority : subordinate —often used in combination