| AVOUCHED | • avouched v. Simple past tense and past participle of avouch. • AVOUCH v. (archaic) to justify. |
| DISAVOUCHED | • disavouched v. Simple past tense and past participle of disavouch. • DISAVOUCH v. (obsolete) to disavow, also DISAVOW. |
| DISAVOUCHES | • disavouches v. Third-person singular simple present indicative form of disavouch. • DISAVOUCH v. (obsolete) to disavow, also DISAVOW. |
| OUTACHIEVED | • outachieved v. Simple past tense and past participle of outachieve. • OUTACHIEVE v. to surpass in achievement. |
| OVERLAUNCHED | • overlaunched v. Simple past tense and past participle of overlaunch. • OVERLAUNCH v. in shipbuilding, to join by long splices or scarfs. |
| UNACHIEVED | • unachieved adj. Not yet achieved. • UNACHIEVED adj. not achieved. |
| UNDERACHIEVE | • underachieve v. To achieve less than expected; to fail to fulfil one’s potential. • UNDERACHIEVE v. to achieve less than one's potential. |
| UNDERACHIEVED | • underachieved v. Simple past tense and past participle of underachieve. • UNDERACHIEVE v. to achieve less than one's potential. |
| UNDERACHIEVER | • underachiever n. One who underachieves, i.e. performs less well than expected. • UNDERACHIEVER n. one that fails to attain a predicted level of achievement or does not do as well as expected. |
| UNDERACHIEVERS | • underachievers n. Plural of underachiever. • UNDERACHIEVER n. one that fails to attain a predicted level of achievement or does not do as well as expected. |
| UNDERACHIEVES | • underachieves v. Third-person singular simple present indicative form of underachieve. • UNDERACHIEVE v. to achieve less than one's potential. |
| UNDERACHIEVING | • underachieving v. Present participle of underachieve. • UNDERACHIEVE v. to achieve less than one's potential. |
| VAUCHED | • VAUCH v. (dialect) to move fast. |
| VOUCHSAFED | • vouchsafed v. Simple past tense and past participle of vouchsafe. • VOUCHSAFE v. to grant as a privilege or special favor, also VOUTSAFE. |