Definition of porous
1a
: possessing or full of pores
b
: containing vessels
hardwood is porous
2a
: permeable to fluids
b
: permeable to outside influences
3
: capable of being penetrated
porous national boundaries
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
February 2021 Words of the Day Quiz
-
- Which is a synonym of perdure?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share porous
Time Traveler for porous
The first known use of porous was in the 14th century
See more words from the same century