Give the synonym of:
rampart
debacle
buffer
apathy
entrance
Solution
DIVERS means someone who works underwater
EURYPTERIDA means extinct aquatic arthropods of the Paleozoic
MYRIAD means a large indefinite number
SCALLOP means one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
COLLARLESS means without a collar