| Part of speech | adjective |
|---|---|
| Hyphenation | belg·a |
| Singular | Plural | |
|---|---|---|
| Nominative | belga | belgaj |
| Accusative | belgan | belgajn |
| Czech | belgický |
|---|---|
| Danish | belgisk |
| Dutch | Belgisch |
| English | Belgian |
| French | belge |
| German | belgisch |
| Greek | Βελγικός |
| Icelandic | belgískur |
| Low German | belgisk |
| Luxemburgish | belsch |
| Norwegian | belgisk |
| Portuguese | belga |
| Russian | бельгийский |
| Saterland Frisian | belgisk |
| Spanish | belga |
| Swedish | belgisk |
| Thai | เบลเยี่ยม |
| Turkish | Belçikalı |
| West Frisian | Belgysk |