Definitions:

1. a material having capacity or tendency to absorb another substance noun
   • The sponge is very absorbent, it soaks up water quickly.
2. a material having capacity or tendency to absorb another substance noun
   • 1.
3. a material having capacity or tendency to absorb another substance noun
   • something that absorbs; specifically, a material, such as a sponge, that is able to take up water or some other liquid by capillary attraction, or a porous substance used for filtering liquids or gases.
4. a material having capacity or tendency to absorb another substance noun
   • 1.
5. a material having capacity or tendency to absorb another substance noun
   • having the quality or power of absorbing: an absorbent material; an absorbent capacity of 20 gallons.
6. a material having capacity or tendency to absorb another substance noun
   • 2.
7. a material having capacity or tendency to absorb another substance noun
   • tending to attract and retain water, moisture, or other liquids.
8. having power or capacity or tendency to absorb or soak up something (liquids or energy etc.) adjective
   • The sponge is very absorbent, it soaks up water quickly.

Synonyms:

• absorptive