| undeterred |
combined form of deterred. |
| undeveloped |
combined form of developed. |
| undiagnosable |
combined form of diagnosable. |
| undiagnosed |
combined form of diagnosed. |
| undialectical |
combined form of dialectical. |
| undid |
the past tense of "undo." |
| undidactic |
combined form of didactic. |
| undies |
(informal) underwear, usu. women's; lingerie. |
| undifferentiated |
combined form of differentiated. |
| undigested |
combined form of digested. |
| undigestible |
combined form of digestible. |
| undignified |
combined form of dignified. |
| undiluted |
combined form of diluted. |
| undiminished |
not decreased in size, prestige, or importance. |
| undimmed |
combined form of dimmed. |
| undiplomatic |
combined form of diplomatic. |
| undiscerning |
lacking discernment. |
| undischarged |
combined form of discharged. |
| undisciplined |
combined form of disciplined. |
| undisclosed |
combined form of disclosed. |
| undiscouraged |
combined form of discouraged. |