| Answer | Crossword Clue |
|---|---|
| OHM | Hum of an electrician? |
| PURR | Hum of a motor |
| YADDAYADDAYADDA | Last words of ho-hum gossip, perhaps |
| DRONE | Hum |
| ATUNE | Hum .. |
| WHIRR | Hum |
| PURR | Hum |
| DRONE | Hum. |
| CROON | Hum. |
| WHIZ | Hum. |
| PURR | Hum. |
| CROON | Hum |
| SING | Hum |
| ATUNE | Hum ... |
| BUZZWORD | Hum? |
| HUMBLEBEGINNING | HUM |
| DRONE | Monotonous hum |
| BLAH | Ho-hum |
| BLASE | Ho-hum |
| PURR | Happy hum |
| DULL | Ho-hum |
| IMBORED | "Ho-hum" |
| BORING | Ho-hum |
| SOSO | Ho-hum |
| VEE | Hum attachment? |
| WEARISOME | Ho-hum |
| DRAB | Ho-hum |
| PURR | Feline hum |
| CROON | Hum soothingly |
| TIRESOME | Ho-hum |
| DRONE | Long hum |
| INDIFFERENT | Ho-hum |
| DULLSVILLE | Ho-hum |
| LACKLUSTER | Ho-hum |
| MONOTONOUS | Ho-hum |
| UNEXCITING | Ho-hum |
| CROON | Hum gently |
| DIALTONE | Telephone hum |
| BEE | Hum bug? |
| BEE | Hum bug |
