noun a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used.
noun someone able to acquire new knowledge and skills rapidly and easily.
— synonyms: quick_study
noun a follower who hangs around a host (without benefit to the host) in hope of gain or advantage.
— synonyms: leech, parasite, sponger
noun primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework.
— synonyms: poriferan, parazoan
verb wipe with a sponge, so as to clean or moisten.
verb ask for and get free.
— synonyms: mooch, bum, cadge, grub
verb erase with a sponge.
verb soak up with a sponge.
verb gather sponges, in the ocean.
Examples
“He has been sponging off his friends for a month now.”