| Word | Definitions | Synonyms |
|---|---|---|
| crumbly | (adjective) easily broken into small fragments or reduced to powder | Synonyms: friable |
| grumbling | (adjective) continuous full and low-pitched throbbing sound | Synonyms: rumbling |
| rumbling | (adjective) continuous full and low-pitched throbbing sound | Synonyms: grumbling |
| rumbustious | (adjective) noisy and lacking in restraint or discipline | Synonyms: boisterous, rambunctious, robustious, unruly |