Synonyms of unsubstantially

1 Syllable

well

2 Syllables

mildly, subtly, thinly, lightly, freely, slightly, simply, faintly, softly, nimbly, smoothly, quietly

3 Syllables

casually, readily, flippantly, leniently, heedlessly, tenuously, thoughtlessly, timidly, slightingly, tenderly, sparsely, gingerly, airily, breezily, daintily, easily, sparingly

4 Syllables

ethereally, frivolously, peacefully, agilely, carelessly

5 Syllables

indifferently, delicately, moderately