Esperanto: A Complete and Comprehensive Grammar/Adjectives
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Adjectives
editIn Esperanto, all singular adjectives end in "-a," regardless of gender.
Adjectives agree in number and case with the nouns they modify; thus, all plural adjectives end in "-aj" and accusative plural adjectives end in "-ajn."
Ordinal numerals
editOrdinal numbers are the adjective form of a number, and as so, adding the "-a" suffix is sufficient to change the word.
For example:
| Esperanto (cardinal) | English (cardinal) | Esperanto (ordinal) | English (ordinal) |
|---|---|---|---|
| Unu | One | Unua | First |
| Du | Two | Dua | Second |
| Tri | Three | Tria | Third |
| Kvar | Four | Kvara | Fourth |
| Kvin | Five | Kvina | Fifth |
| Ses | Six | Sesa | Sixth |
| Sep | Seven | Sepa | Seventh |
| Ok | Eight | Oka | Eighth |
| Naŭ | Nine | Naŭa | Ninth |
| Dek | Ten | Deka | Tenth |