| Infamous Alger | 14 |
| Hardly a sign of support | 24 |
| Greeting to a villain | 21 |
| Greet a villain | 15 |
| Greet a stage villain | 21 |
| Fuse sound | 10 |
| Fire-dousing sound | 18 |
| Expression of dissatisfaction | 29 |
| Evince displeasure | 18 |
| Defendant of 1949 | 17 |
| Critical comment, of a sort | 27 |
| Cobra's greeting | 20 |
| Coal-dousing sound | 18 |
| Catty warning | 13 |
| Cat's disapproval | 21 |
| Cat's ''Back off!'' | 39 |
| Boo's sidekick | 18 |
| Boo's relative | 18 |
| Boo relative | 12 |
| Boo mate | 8 |
| Boo accompanier | 15 |
| Audible reproof | 15 |
| Angry cat's sound | 21 |
| A way to talk | 13 |
| [You smell like some other cat and I don't like you] | 56 |
| [I can't believe you just stepped on my tail. Now back the fuck away.] | 74 |
| "Boo" follower | 24 |
| "Boo!" alternative | 28 |
| "Boo!" accompanier | 28 |
| Show disdain for, in a way | 26 |
| Treat as a villain | 18 |
| Warn away from the Kibbles, say | 31 |
| Show disdain to | 15 |
| Show contempt for, as a villain | 31 |
| Intimidate, as a feline | 23 |
| Greet, as a villain | 19 |
| Greet the villain, say | 22 |
| Greet like a spiteful cat | 25 |
| Greet cattily | 13 |
| Condemn from the peanut gallery | 31 |
| Boo, and then some | 18 |
| Warned, snake-style | 19 |
| Sounded like a snake | 20 |
| Sounded angry | 13 |
| Razzed the villain | 18 |
| Greeted the bad guy, maybe | 26 |
| Gave the villain his due | 24 |
| Companion of booed | 18 |
| Clearly wasn't pleased | 26 |
| Blew off steam? | 15 |
| Serpent's warnings | 22 |
| Snake sounds | 12 |
| Signs of audience disapproval | 29 |
| Makes like a snake | 18 |
| Bad sounds from the house | 25 |
| Warnings from a ticked-off tabby | 32 |
| Steam-bath sounds | 17 |
| Sounds from steam irons | 23 |
| Sounds from racers | 18 |
| Sounds from a snake pit | 23 |
| Snakes' sounds | 18 |
| Sibilant catcalls | 17 |
| Ophidian sounds | 15 |
| Noises heard more on LPs than CDs | 33 |
| Leak indicators, perhaps | 24 |
| Greets the bad guy | 18 |
| Cat warnings | 12 |
| Boos' partner | 17 |
| Audio problems | 14 |
| Univ. class | 11 |
| Trick taking card game | 22 |
| Subj. of the past | 17 |
| Study of the past (Abbr.) | 25 |
| Study of past events (abbr.) | 28 |
| Pulitzer Prize subj. | 20 |
| Pulitzer Prize category: Abbr. | 30 |
| Past sch. course? | 17 |
| Past events: Abbr. | 18 |
| Much of soc. studies | 20 |
| High sch. subject | 17 |
| Attention-grabber | 17 |
| Arts and Sciences dept. | 23 |
| "Hey you!" sound | 26 |
| "Hearken!" | 20 |
| Pastor, __, __, disc jockey | 27 |
| Memorable | 9 |
| Not just noteworthy | 19 |
| Red-letter | 10 |
| Not merely memorable | 20 |
| More than memorable | 19 |
| Like one for the books | 22 |
| Like old battlefields | 21 |
| Like July 4, 1776 | 17 |
| Like chronicles of the past | 27 |
| Like a Catton work | 18 |
| Dating from long past | 21 |
| Belonging to the past | 21 |
| Adjective for the Boston Massacre | 33 |
| Adjective for Bunker Hill | 25 |
| Adjective for an event in MLXVI | 31 |