Synonyms of unbacked

1 Syllable

mad, ill, frail, weak

2 Syllables

crazed, ailing, unwell, flawed, shaky, faulty, wobbly, unsound, infirm, specious, false

3 Syllables

incorrect, unstable, erroneous, insane, fallacious, diseased, invalid, incongruous, unhinged, rickety, fragile, tottering, lunatic, dangerous, unsteady, demented, deranged, unsafe, decrepit, unhealthy

4 Syllables

illogical, unreliable, defective, delicate, insubstantial, unsubstantial, unbalanced, insecure

5 Syllables

inaccurate