"once opened" vs "Once open"

Question

"once opened" vs "Once open"

The phrases 'once open' and 'once opened' are not directly comparable as they serve different purposes. 'Once open' is used to describe a state or condition, while 'once opened' is used to indicate a completed action. Therefore, the choice between them depends on the context in which they are used.

Last Updated: March 22, 2024

This phrase is used to describe an action that has been completed in the past, specifically the act of opening something.

Examples:

Once opened, the package revealed its contents.
The letter, once opened, contained surprising news.
Once opened, the gate allowed access to the garden.

Alternatives:

after opening
when opened
upon opening
once it's opened
once you open it

This phrase is used to indicate a state or condition that exists after something has been opened. It implies the current status of being open.

Examples:

The box is once open, it cannot be closed again.
Once open, the door revealed a hidden room.
The jar is once open, so be sure to use the contents quickly.

Alternatives:

already open
previously open
now open
open now
open already

Answer 1

once opened

The phrase 'once opened' is correct and is used to indicate a completed action.

Answer 2

Once open

The phrase 'once open' is correct and can be used to describe a state or condition.

"once opened" vs "Once open"

once opened

Once open

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