| UNDECIDABILITY | • undecidability n. The state of being undecidable. • UNDECIDABILITY n. the quality of being undecidable.
 | 
| UNDECIDABLE | • undecidable adj. (Mathematics, computing theory) Incapable of being algorithmically decided in finite time. For example… • undecidable adj. (Mathematics) (of a WFF) logically independent from the axioms of a given theory; i.e., that it can…
 • UNDECIDABLE adj. not decidable.
 | 
| UNDECIDED | • undecided adj. Open and not yet settled or determined. • undecided adj. Uncommitted, not having reached a decision.
 • undecided n. A voter etc. who has not yet come to a decision.
 | 
| UNDECIDEDLY | • undecidedly adv. In an undecided manner. • UNDECIDED adv. not decided.
 | 
| UNDECIDEDNESS | • undecidedness n. The quality of being undecided. • UNDECIDEDNESS n. the state of being undecided.
 | 
| UNDECIDEDNESSES | • UNDECIDEDNESS n. the state of being undecided. | 
| UNDECIDEDS | • undecideds n. Plural of undecided. • UNDECIDED n. one who is not decided.
 | 
| UNDECILLION | • undecillion num. (US; modern British & Australian, short scale) 1036. • undecillion num. (Dated British & Australian, long scale) 1066.
 • UNDECILLION n. a large number - a one followed by either 36 or 66 zeroes.
 | 
| UNDECILLIONS | • undecillions n. Plural of undecillion. • UNDECILLION n. a large number - a one followed by either 36 or 66 zeroes.
 | 
| UNDECIMAL | • undecimal adj. Based upon the number eleven. • UNDECIMAL adj. based on the number eleven.
 | 
| UNDECIMOLE | • UNDECIMOLE n. a group of eleven notes, in the time of eight. | 
| UNDECIMOLES | • UNDECIMOLE n. a group of eleven notes, in the time of eight. | 
| UNDECIPHERABLE | • undecipherable adj. Not easily deciphered; difficult to read. • UNDECIPHERABLE adj. not decipherable.
 | 
| UNDECIPHERABLY | • undecipherably adv. In an undecipherable manner. | 
| UNDECIPHERED | • undeciphered adj. Not deciphered. • undeciphered v. Simple past tense and past participle of undecipher.
 • UNDECIPHERED adj. not deciphered.
 | 
| UNDECISIVE | • undecisive adj. Alternative form of indecisive. • UNDECISIVE adj. indecisive.
 |