/ˈʊndə/
adjective
Being lower; being beneath something.Under anesthesia, especially general anesthesia; sedated.adverb
In a way lower or less than.In a way inferior to.In an unconscious state.preposition
In or at a lower level than.As a subject of; subordinate to.Less than.Below the surface of.In the face of; in response to (some attacking force).As, in the character of.