under
//ˈʌndər//
Preposition
1
In or to a position below or beneath something
The cat is hiding under the table.
2
At a lower level or layer than
He wore a T-shirt under his jacket.
3
Less than (a number or quantity)
Children under 12 can enter for free.
4
Subject to the authority, control, or influence of
She works under a new manager.
5
Undergoing or in the process of
The building is under construction.
6
In accordance with or classified by
The books are arranged under subject.
Adverb
1
In or to a lower position or place
The boat went under and sank to the bottom.
2
Into a state of unconsciousness
The patient went under during the surgery.
Adjective
1
Lower in position, rank, or status
She started in an under position but worked her way up.