Synonyms of rock-bottom

1 Syllable
low, squat, small, deep, flat
2 Syllables
level, nether, squatty, bottom, sunken, lesser, bottoms, junior, shallow, profound, little, crouched, low-set, beneath, minor, below, under, stunted
3 Syllables
decumbent, subjacent, inferior, lowermost, prostrate, lowering, nethermost, undermost, subsided, ground-level, low-hanging, low-lying, bottommost, depressed
5 Syllables
unelevated