| Part of speech | adjective |
|---|---|
| Hyphenation | e·ner·gi·a |
| Singular | Plural | |
|---|---|---|
| Nominative | energia | energiaj |
| Accusative | energian | energiajn |
| Afrikaans | kragdadig |
|---|---|
| Danish | energisk |
| Dutch | energiek; energetisch; ferm; flink; voortvarend; veerkrachtig; krachtdadig |
| English | energetic; vigorous; strenuous; zippy |
| German | forsch; tüchtig; energisch; tatkräftig; Energie‐ |
| Greek | ακμαίος |
| Italian | energico |
| Papiamento | brio |
| Polish | energiczny |
| Portuguese | enérgico; resoluto; vigoroso |
| Saterland Frisian | duftich; fiks; strankiel |