1 C1 idiomatic neutral
Of information, concerns, or trends: to gradually rise from lower levels of a hierarchy to those in positions of authority.
"Staff concerns about safety eventually filtered up to the board of directors."
inseparable
filter up
C1 neutral inseparable intransitive
To gradually reach higher levels of an organisation or society, said of information, concerns, or trends originating at a lower level.
In plain English
To slowly rise up through a group or system until it reaches the people at the top.
What does "filter up" mean?
One main meaning — here's how to use it.
Literal vs figurative
Words literally mean
To pass upward through a filtering system.
Actually means
To slowly rise up through a group or system until it reaches the people at the top.
Usage tip
Less common than 'filter down'. Used in business, political, and social analysis. Describes a bottom-up spread of information, trends, or feelings. Often implies that the process is slow and may be incomplete.
Words that pair with "filter up"
Natural word combinations native speakers use most often.
information concerns complaints trends feedback reports
How to conjugate "filter up"
The five tense forms you'll use most often.
Base
filter up
I/you/we/they
3rd person
filters up
he/she/it
Past simple
filtered up
yesterday
Past participle
filtered up
have + pp
-ing form
filtering up
continuous
Hear "filter up" in the wild
Listen to native speakers using "filter up" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
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