ESPERANTO: certain, sure, unerring | certa |
| certain event | certa okazo |
| to be certain of that | esti certa je tio |
| uncertain, indecisive, unsure, doubtful | malcerta |
| insecure, unsure of oneself | malmemcerta |
| self-assured | memcerta |
| uncertain, indecisive, unsure, doubtful | necerta |
| uncertain, indecisive, unsure, doubtful | sencerta |
|