# αληθής
## Greek
### Etymology

From Ancient Greek ᾰ̓ληθής (alēthḗs, “true”).

### Pronunciation

* IPA: /aliˈθis/
* Hyphenation: α‧λη‧θής

### Adjective

αληθής • (alithís) m (feminine αληθής, neuter αληθές)
* (logic, computing, formal) true (in Boolean logic)

#### Declension

| number case \ gender | singular | singular | singular | plural | plural | plural |
| number case \ gender | masculine | feminine | neuter | masculine | feminine | neuter |
| nominative | αληθής • | αληθής • | αληθές • | αληθείς • | αληθείς • | αληθή • |
| genitive | αληθούς • / αληθή • | αληθούς • | αληθούς • | αληθών • | αληθών • | αληθών • |
| accusative | αληθή • | αληθή • | αληθές • | αληθείς • | αληθείς • | αληθή • |
| vocative | αληθή • / αληθής • | αληθής • | αληθές • | αληθείς • | αληθείς • | αληθή • |
| derivations | Comparative: πιο + positive forms (e.g. πιο αληθής, etc.) Relative superlative: definite article + πιο + positive forms (e.g. ο πιο αληθής, etc.) | Comparative: πιο + positive forms (e.g. πιο αληθής, etc.) Relative superlative: definite article + πιο + positive forms (e.g. ο πιο αληθής, etc.) | Comparative: πιο + positive forms (e.g. πιο αληθής, etc.) Relative superlative: definite article + πιο + positive forms (e.g. ο πιο αληθής, etc.) | Comparative: πιο + positive forms (e.g. πιο αληθής, etc.) Relative superlative: definite article + πιο + positive forms (e.g. ο πιο αληθής, etc.) | Comparative: πιο + positive forms (e.g. πιο αληθής, etc.) Relative superlative: definite article + πιο + positive forms (e.g. ο πιο αληθής, etc.) | Comparative: πιο + positive forms (e.g. πιο αληθής, etc.) Relative superlative: definite article + πιο + positive forms (e.g. ο πιο αληθής, etc.) |
| notes | vocative masculine as in the accusative (rarely, in some grammars as in the nominative). For Katharevousa, as in neuter nominative (cf. inflection in Ancient Greek). | vocative masculine as in the accusative (rarely, in some grammars as in the nominative). For Katharevousa, as in neuter nominative (cf. inflection in Ancient Greek). | vocative masculine as in the accusative (rarely, in some grammars as in the nominative). For Katharevousa, as in neuter nominative (cf. inflection in Ancient Greek). | vocative masculine as in the accusative (rarely, in some grammars as in the nominative). For Katharevousa, as in neuter nominative (cf. inflection in Ancient Greek). | vocative masculine as in the accusative (rarely, in some grammars as in the nominative). For Katharevousa, as in neuter nominative (cf. inflection in Ancient Greek). | vocative masculine as in the accusative (rarely, in some grammars as in the nominative). For Katharevousa, as in neuter nominative (cf. inflection in Ancient Greek). |
| comparative | singular | singular | singular | plural | plural | plural |
| comparative | masculine | feminine | neuter | masculine | feminine | neuter |
| nominative | αληθέστερος • | αληθέστερη • | αληθέστερο • | αληθέστεροι • | αληθέστερες • | αληθέστερα • |
| genitive | αληθέστερου • | αληθέστερης • | αληθέστερου • | αληθέστερων • | αληθέστερων • | αληθέστερων • |
| accusative | αληθέστερο • | αληθέστερη • | αληθέστερο • | αληθέστερους • | αληθέστερες • | αληθέστερα • |
| vocative | αληθέστερε • | αληθέστερη • | αληθέστερο • | αληθέστεροι • | αληθέστερες • | αληθέστερα • |
| derivations | relative superlative: ο + comparative forms (eg "ο αληθέστερος", etc) | relative superlative: ο + comparative forms (eg "ο αληθέστερος", etc) | relative superlative: ο + comparative forms (eg "ο αληθέστερος", etc) | relative superlative: ο + comparative forms (eg "ο αληθέστερος", etc) | relative superlative: ο + comparative forms (eg "ο αληθέστερος", etc) | relative superlative: ο + comparative forms (eg "ο αληθέστερος", etc) |
| Absolute superlative | singular | singular | singular | plural | plural | plural |
| Absolute superlative | masculine | feminine | neuter | masculine | feminine | neuter |
| nominative | αληθέστατος • | αληθέστατη • | αληθέστατο • | αληθέστατοι • | αληθέστατες • | αληθέστατα • |
| genitive | αληθέστατου • | αληθέστατης • | αληθέστατου • | αληθέστατων • | αληθέστατων • | αληθέστατων • |
| accusative | αληθέστατο • | αληθέστατη • | αληθέστατο • | αληθέστατους • | αληθέστατες • | αληθέστατα • |
| vocative | αληθέστατε • | αληθέστατη • | αληθέστατο • | αληθέστατοι • | αληθέστατες • | αληθέστατα • |

#### Antonyms

* ψευδής (psevdís)

#### Related terms

* αληθώς (alithós, adverb) (archaic, in set phrases)
* and see: αλήθεια f (alítheia, “truth”)

#### See also

* αληθινός (alithinós, “true”) (of a statement, story, etc.)
* πιστός (pistós, “representative, accurate”) (of an image, portrait, etc.)
* πραγματικός (pragmatikós, “real, actual”) (of feelings, etc.)