portion off
C1 neutral separable transitive
In simple words
To take a part of something and set it aside or give it to a specific purpose.
Literal meaning: 'Portion' means a share or part; 'off' indicates separation — giving the clear image of cutting away a defined piece from the whole.
Meanings
1 C1 neutral
To separate and allocate a part of something, such as money or land, for a specific purpose.
"The council portioned off part of the budget for road repairs."
Grammar: separable
2 C1 neutral
To divide an area or physical space from the rest, creating a separate section.
"They portioned off a corner of the warehouse to use as a small office."
Grammar: separable
Usage notes
More common in formal or administrative contexts. Often used in discussions of budgets, estates, or land division. Less common in everyday casual speech.
Commonly used with
budget land estate funds area resources
Forms
Base
portion off
I/you/we/they
3rd person
portions off
he/she/it
Past simple
portioned off
yesterday
Past participle
portioned off
have + pp
-ing form
portioning off
continuous
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