Looking up...
She placed the book under the table.
The book is positioned below the table.
In a position directly beneath something else; below or lower than something
The cat hid under the bed.
The cat is concealed beneath the bed.
The temperature dropped under zero.
The temperature fell below zero degrees.
Can also imply being covered or protected by something above.
Under the control or authority of someone or something
The project is under his supervision.
He is in charge of overseeing the project.
The country was under martial law.
The country was governed by military authority.
Often used to describe being subject to rules, laws, or conditions.
Under consideration or review
The proposal is under review.
The proposal is being evaluated.
The case is under investigation.
The case is being actively investigated.
Commonly used in formal or professional contexts.
Be mindful of whether 'under' is used to describe a physical position or a figurative state (e.g., control, condition).
When 'under' describes a physical position, it often implies being beneath or covered. When describing control, it implies being subject to authority or conditions.
Old English 'under', from Proto-Germanic 'under', meaning 'beneath'. Related to Old Norse 'undir' and German 'unter'.
Can be used both literally (physical position) and figuratively (control, condition, or state).