What does "seepage" mean?

The process by which something, especially a liquid, leaks through a porous substance; the process of seeping. (Also used figuratively: the process of diffusing.)

What is a synonym for "seepage"?

Common synonyms include: absorbency, absorbent, absorption, access, admission, adsorbent.

Seepage

noun

noun ·2 syllables ·Uncommon ·College level

Definitions

Noun

1
The process by which something, especially a liquid, leaks through a porous substance; the process of seeping. (Also used figuratively: the process of diffusing.) countable, uncountable
"[…] while they all admit that the most serious losses occur by seepage of gas from, and oil into, the combustion-chamber and that this seepage is […]"
2
the process of seeping wordnet
3
Water that has seeped or oozed through a porous soil. countable, uncountable

Synonyms

All synonyms

absorbency absorbent absorption access admission adsorbent

Example

More examples

"[…] while they all admit that the most serious losses occur by seepage of gas from, and oil into, the combustion-chamber and that this seepage is […]"

Etymology

From seep + -age.

Related phrases

seepage bed

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.