adjective
definition
Being lower; being beneath something.
definition
Under anesthesia, especially general anesthesia; sedated.
example
Ensure the patient is sufficiently under.
adverb
definition
In a way lower or less than.
definition
In a way inferior to.
definition
In an unconscious state.
example
It took the hypnotist several minutes to make his subject go under.
preposition
definition
In or at a lower level than.
definition
As a subject of; subordinate to.
example
He served in World War II under General Omar Bradley.
definition
Less than.
definition
Below the surface of.
definition
In the face of; in response to (some attacking force).
example
to collapse under stress; to give in under interrogation
definition
As, in the character of.
example
he writes books under the name John Smith