| RANDR | Vacation, briefly ... or the letters added to the starred answers |
| FORK | What the letters added to the four "stirred" words in this puzzle spell |
| SUFFIX | Letters added to the end of a word to form a derivative (6) |
| MAIL | From a word for a bag or wallet, the postal system; or, the letters and parcels thus collected or delivered (4) |
| EDEN | Eve's garden ... or the letters at the beginning and end of "Eve's garden" |
| OOO | On vacation, briefly |
| ISOTONE | One of a related set of atoms, or with a letter added to the end, a brand of gloves |
| UKRAINE | What the starred Down clues' answers stand with, given the letters added to their tops and bottoms |
| ATTACHMENT | Apt word spelled out by the letters added to 10 answers in this puzzle |
| MOVIEEXTRAS | People without lines, and what's spelled out by the letters added to this puzzle's films |
| MUSCLINGIN | Imposing oneself, or a hint to the gym slang added to the starred answers |
| CRONE | Witch, and the combination of letters added to this puzzle's theme answers |
| ZINC | Element of the unknown, letters added to American concerns? |
| LIBRETTI | Brittle letters added to one or more texts (8) |
| SUPERBOWLLIV | Big game on February 2, 2020 ... or a hint to what's added to the starred answers |
| ZEN | "Your Moment of ___," and a hint to what's added to the starred answers |
| COMPASS | Device hinting at the directions that were added to the starred clues' answers |
| MIXEDDOUBLES | Type of tennis match, and what's spelled out by the pairs of letters added to 12 phrases in this puzzle |
| CALORIES | What's been added to the starred answers |
| DES | ___ Moines (and letters added up-front to starred answers) |
