sinkhole Definition

swallow hole, hole, chasm, cliff, collapse, gulf, gap, pit, abyss, meltdown, dump, divide, breakdown, casino, demise, brink, cave-in, pothole, mudslide, subsidence, manhole, fissure, drainage ditch, landslip, culvert, rockslide, seepage, cenote, trench, crater, cavern, dike, berm, ravine, drainage, septic tank, manhole cover, excavation, mudflow, levee, floodwaters, sewer, crevasse, cesspool, drain, floodwater, retaining wall, roadbed, creek, natural depression, snowshed, streambed, chuckholes, roadway, kettle hole, flooding, swale, creek bed, diaclasis, mud puddle, overpass, reservoir, soakaway, wreck, embankment, doline, ruts, seawall, backhoe, puddle, boulders, hardpan, drainpipe, gullies, seiche, flood plain, graben, spillway, frost heave, hillside, revetment, waterline, caliche, fire hydrant, waterspout, canal, windstorm, riverbed, crevice, leak, lake, traffic jam, rainstorm, landslides, arroyo, pond, cypress tree, shoaling, funnel cloud, intersection,