Entry 1 sense Webster, 1913 glob · IPA /ɡlɑb/ 01 n. a compact mass, especially of a semiliquid or viscous substance; as, a glob of glue fell on my shoe. 1. a compact mass, especially of a semiliquid or viscous substance; as, a glob of glue fell on my shoe. Syn. ball, clod, lump, clump, chunk.