| A crossword editor has to be very careful when changing one--unlike this puzzle's editor, who was careless four times herein |
| Gas brand that's also an Italian pronoun |
| Las Vegas resort with an Italian name |
| A square, à la Sinclair Lewis |
| Marksman, at times |
| Islander's house, sometimes |
| Square dancer's neckwear |
| Baby shower gift, sometimes |
| Las Vegas glitter |
| Chef's activity, at times |
| Be victorious in Vegas |
| Square dancer's back |
| Square root of cuatro |
| Colorless, flammable gas |
| Like noxious gases |
| Madagascar's largest carnivore |
| Cause of stomach problems, sometimes |
| Gas |
| A gaseous element |
| Whatever it takes ... as hinted at in the arrangements of black squares around the circled letters |
| XX times VIII |
| Animal that's sometimes frozen in the headlights |
| Poisonous gas that smells like garlic |
| Most common of the noble gases |
| Elementary gases |
| Inactive, as gases |
| Gases or vapors that are dangerous to inhale |
| Plumber's pursuit, sometimes |
| Comic who occasionally contributes to the "Motormouth" column ofThe London Sunday Times |
| Deal prerequisites, sometimes |