| undated |
combined form of dated. |
| undaunted |
not discouraged or dismayed; resolute or fearless. |
| undecadent |
combined form of decadent. |
| undeceive |
to free from deception, error, or illusion; disabuse. |
| undecided |
not yet decided or determined. [2 definitions] |
| undecipherable |
combined form of decipherable. |
| undeciphered |
combined form of deciphered. |
| undeclared |
combined form of declared. |
| undeclared war |
a conflict that has the characteristics of a war, including open, armed fighting between nations or groups of people, but is not precipitated by an official declaration of war. |
| undecomposed |
combined form of decomposed. |
| undecorated |
combined form of decorated. |
| undedicated |
combined form of dedicated. |
| undefeated |
combined form of defeated. |
| undefended |
combined form of defended. |
| undefiled |
combined form of defiled. |
| undefinable |
combined form of definable. |
| undefined |
combined form of defined. |
| undefoliated |
combined form of defoliated. |
| undeformed |
combined form of deformed. |
| undelegated |
combined form of delegated. |
| undeleterious |
not harmful; non-injurious. |