under

adjectives

located below or beneath something else
"nether garments"; "the under parts of a machine"
nether, under
lower in rank, power, or authority
"an under secretary"
under
is similar to
lower in rank or importance
low-level, subordinate

adverbs

down to defeat, death, or ruin
"their competitors went under"
under
through a range downward
"children six and under will be admitted free"
under
into unconsciousness
"this will put the patient under"
under
in or into a state of subordination or subjugation
"we must keep our disappointment under"
under
below some quantity or limit
"fifty dollars or under"
under
below the horizon
"the sun went under"
under
down below
"get under quickly!"
under
further down
"see under for further discussion"
below, under