Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun guck
1 sense of guck
Sense 1
sludge, slime, goo, goop, gook, guck, gunk, muck, ooze -- (any thick, viscous matter)
=> matter -- (that which has mass and occupies space; "physicists study both the nature of matter and the forces which govern it")