| Part of speech | adjective |
|---|---|
| Pronunciation | /ɔnˈfɛi̯lbaːr/ |
| Hyphenation | on·feil·baar |
| Predicative | ||||
|---|---|---|---|---|
| Attributive | Indefinite | Masculine and feminine plural | onfeilbare | |
| Indefinite singular | onfeilbaar | |||
| Plural | onfeilbare | |||
| Definite | onfeilbare | |||
| Partitive | onfeilbaars | |||
| English | infallible |
|---|---|
| Esperanto | neerarema |
| German | unfehlbar |
| Portuguese | infalível |