Synonyms of ground-level

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