| Part of speech | adjective |
|---|---|
| Pronunciation | /ˈpiːsf(ʊ)l/ |
| Hyphenation | peace·ful |
| Shavian alphabet | 𐑐𐑰𐑕𐑓𐑩𐑤, 𐑐𐑰𐑕𐑓𐑫𐑤 |
| Deseret alphabet | 𐐹𐐮𐑅𐑁𐐳𐑊 |
| Positive | peaceful |
|---|---|
| Comparative | more peaceful, peacefuler |
| Superlative | most peaceful, peacefulest |
| Dutch | vreedzaam |
|---|---|
| Esperanto | paca |
| German | friedlich |
| Latin | placidus |
| Polish | pokojowy |
| Portuguese | pacífico |
| Saterland Frisian | Free‐; freedelk; kemoudich |
| West Frisian | freedsum |