| bateless | unable to be blunted, permanently sharp |
| dazzle | grow dim, become unable to see properly |
| hoodwinked | blindfolded, made unable to see |
| inaidible | unable to be assisted, incapable of being helped |
| incapable | unable to take in, unable to hold |
| incontinent | unchaste, unable to restrain oneself |
| inevitable | unavoidable, unable to be averted |
| inteemable | [debated meaning] unable to be poured out |
| intenable | [debated meaning] unable to retain |
| opposeless | unable to be resisted, unchallengeable |
| out | at a loss, put out, nonplussed; unable to remember one's lines |
| self-unable | inadequate personal, poor and subjective |
| Sphinx | female monster who killed people unable to answer its riddle |
| stiff | disabled, incapacitated, unable to join in |
| sure | harmless, innocuous, unable to cause damage |
| unable | weak, feeble, impotent |
| unable | inadequate, insufficient, incompetent |
| uncapable | incapable, unable [to do something] |
| uncharge | be unable to accuse, acquit of blame |
| unpossessing | unable to inherit property |
| unspeaking | unable to speak out, incapable of speech |
| unstanched | unquenchable, insatiable, unable to be satisfied |