rock bottom
from
Moby Thesaurus II by Grady Ward, 1.0
67 Moby Thesaurus words for "rock bottom":
base, basement, basis, bearing wall, bed, bedding, bedrock, belly,
best, bottom, bottom side, bottommost, breech, buttocks, cut,
deepest, downside, floor, flooring, fond, footing, foundation,
fundament, fundamental, giveaway, ground, grounds, groundwork,
half-price, hardpan, lower side, lowest, lowest layer,
lowest level, marked down, nether side, nethermost,
nethermost level, pavement, principle, radical, reduced, riprap,
rudiment, sacrificial, seat, sill, slashed, solid ground,
solid rock, stereobate, stylobate, substratum, substruction,
substructure, terra firma, underbelly, underbuilding,
undercarriage, undergirding, underlayer, undermost, underneath,
underpinning, underside, understruction, understructure
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