| Part of speech | verb |
|---|---|
| Hyphenation | grumbl·i |
| Indicative mood | |
|---|---|
| Present tense | grumblas |
| Past tense | grumblis |
| Future tense | grumblos |
| Conditional mood | |
| grumblus | |
| Imperative mood | |
| grumblu | |
| Active participles | |
|---|---|
| Present tense | grumblanta |
| Past tense | grumblinta |
| Future tense | grumblonta |
| Catalan | remuguejar; rondinar |
|---|---|
| Danish | brumme; knurre |
| Dutch | grommen; kankeren; mopperen; morren; sputteren |
| English | growl; grumble; mutter; grouse |
| Faeroese | grenja |
| Finnish | nurista |
| French | grogner; râler |
| German | nörgeln; brummen; murren; knurren |
| Portuguese | resmungar; rosnar |
| Russian | брюзжать |
| Saterland Frisian | wrakje |
| Spanish | refunfuñar; rezongar |
| West Frisian | prottelje |