Under (Adverb)
Meaning 1
Down to defeat, death, or ruin; "their competitors went under".
Meaning 2
Into unconsciousness; "this will put the patient under".
Meaning 3
In or into a state of subordination or subjugation; "we must keep our disappointment under".
Meaning 5
Below the horizon; "the sun went under".
Meaning 6
Below some quantity or limit; "fifty dollars or under".
Meaning 7
Down below; "get under quickly!".
Meaning 8
Through a range downward; "children six and under will be admitted free".